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Lopez-Solis AD, Solis-Santoyo F, Saavedra-Rodriguez K, Sanchez-Guillen D, Castillo-Vera A, Gonzalez-Gomez R, Rodriguez AD, Penilla-Navarro P. Aedes aegypti, Ae. albopictus and Culex quinquefasciatus Adults Found Coexisting in Urban and Semiurban Dwellings of Southern Chiapas, Mexico. INSECTS 2023; 14:565. [PMID: 37367381 PMCID: PMC10299218 DOI: 10.3390/insects14060565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/10/2023] [Accepted: 06/14/2023] [Indexed: 06/28/2023]
Abstract
Tapachula, Mexico, a tropical city, is an endemic area for dengue, in addition to several outbreaks in the last decade with chikungunya and zika. As part of the migratory corridor from Central to North America and the risks of scattered infectious diseases that this implies, the identification and distribution of potential disease vectors in and around residential areas are essential in terms of entomological surveillance for the prevention of disease outbreaks. The identification of mosquito species of medical importance coexisting in houses and cemeteries in Tapachula and two semiurban sites in southern Chiapas was investigated. Adult mosquitoes were collected from May to December 2018, resting inside and outside houses and in the tombstones and fallen tree leaves in cemeteries. A total of 10,883 mosquitoes belonging to three vector species were collected across 20 sites; 6738 were from neighborhood houses, of which 55.4% were Culex quinquefasciatus, 41.6% Aedes aegypti, and 2.9% Ae. albopictus. Aedes aegypti was the most common mosquito resting inside houses (56.7%), while Ae. albopictus and Cx. quinquefasciatus were mostly found resting outside houses (75.7%). In the cemeteries, Cx. quinquefasciatus (60.8%) and Ae. albopictus (37.3%) were the most abundant, while Ae. aegypti (1.9%) was the least abundant. This is the first report to identify adults of three major disease vector species coexisting in the domestic environment of urban and semiurban sites and Ae. albopictus adult resting inside of urban houses in Mexico. It would be opportune to consider comprehensive strategies that can be applied in this region to control the three species at the same time and avoid outbreaks of the diseases they transmit.
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Affiliation(s)
- Alma D. Lopez-Solis
- Centro Regional de Investigación en Salud Pública, Instituto Nacional de Salud Pública, Cuarta Norte y 19 Calle Poniente S/N Colonia Centro, Tapachula 30700, Mexico; (A.D.L.-S.); (A.D.R.)
- El Colegio de la Frontera Sur, Unidad Tapachula. Carretera Antiguo Aeropuerto Km. 2.5, Centro, Tapachula Chiapas 30700, Mexico; (D.S.-G.); (A.C.-V.); (R.G.-G.)
| | - Francisco Solis-Santoyo
- Centro Regional de Investigación en Salud Pública, Instituto Nacional de Salud Pública, Cuarta Norte y 19 Calle Poniente S/N Colonia Centro, Tapachula 30700, Mexico; (A.D.L.-S.); (A.D.R.)
| | - Karla Saavedra-Rodriguez
- Arthropod-Borne and Infectious Diseases Laboratory, Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, 1692 Campus Delivery, Fort Collins, CO 80523-1692, USA;
| | - Daniel Sanchez-Guillen
- El Colegio de la Frontera Sur, Unidad Tapachula. Carretera Antiguo Aeropuerto Km. 2.5, Centro, Tapachula Chiapas 30700, Mexico; (D.S.-G.); (A.C.-V.); (R.G.-G.)
| | - Alfredo Castillo-Vera
- El Colegio de la Frontera Sur, Unidad Tapachula. Carretera Antiguo Aeropuerto Km. 2.5, Centro, Tapachula Chiapas 30700, Mexico; (D.S.-G.); (A.C.-V.); (R.G.-G.)
| | - Rebeca Gonzalez-Gomez
- El Colegio de la Frontera Sur, Unidad Tapachula. Carretera Antiguo Aeropuerto Km. 2.5, Centro, Tapachula Chiapas 30700, Mexico; (D.S.-G.); (A.C.-V.); (R.G.-G.)
- Investigadora por México, Consejo Nacional de Humanidades, Ciencias y Tecnologías, Av. Insurgentes Sur 1582, Benito Juárez 03940, Mexico
| | - Americo D. Rodriguez
- Centro Regional de Investigación en Salud Pública, Instituto Nacional de Salud Pública, Cuarta Norte y 19 Calle Poniente S/N Colonia Centro, Tapachula 30700, Mexico; (A.D.L.-S.); (A.D.R.)
| | - Patricia Penilla-Navarro
- Centro Regional de Investigación en Salud Pública, Instituto Nacional de Salud Pública, Cuarta Norte y 19 Calle Poniente S/N Colonia Centro, Tapachula 30700, Mexico; (A.D.L.-S.); (A.D.R.)
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Henderson Sousa F, Ghaisani Komarudin A, Findlay-Greene F, Bowolaksono A, Sasmono RT, Stevens C, Barlow PG. Evolution and immunopathology of chikungunya virus informs therapeutic development. Dis Model Mech 2023; 16:dmm049804. [PMID: 37014125 PMCID: PMC10110403 DOI: 10.1242/dmm.049804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
Abstract
Chikungunya virus (CHIKV), a mosquito-borne alphavirus, is an emerging global threat identified in more than 60 countries across continents. The risk of CHIKV transmission is rising due to increased global interactions, year-round presence of mosquito vectors, and the ability of CHIKV to produce high host viral loads and undergo mutation. Although CHIKV disease is rarely fatal, it can progress to a chronic stage, during which patients experience severe debilitating arthritis that can last from several weeks to months or years. At present, there are no licensed vaccines or antiviral drugs for CHIKV disease, and treatment is primarily symptomatic. This Review provides an overview of CHIKV pathogenesis and explores the available therapeutic options and the most recent advances in novel therapeutic strategies against CHIKV infections.
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Affiliation(s)
- Filipa Henderson Sousa
- School of Applied Sciences, Edinburgh Napier University, Sighthill Campus, Edinburgh EH11 4BN, UK
- Centre for Discovery Brain Sciences and UK Dementia Research Institute, The University of Edinburgh, Edinburgh EH16 4SB, UK
| | - Amalina Ghaisani Komarudin
- Eijkman Research Center for Molecular Biology, National Research and Innovation Agency, Cibinong Science Center, Cibinong, Kabupaten Bogor 16911, Indonesia
| | - Fern Findlay-Greene
- School of Applied Sciences, Edinburgh Napier University, Sighthill Campus, Edinburgh EH11 4BN, UK
| | - Anom Bowolaksono
- Cellular and Molecular Mechanisms in Biological System (CEMBIOS) Research Group, Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Depok 16424, Indonesia
| | - R. Tedjo Sasmono
- Eijkman Research Center for Molecular Biology, National Research and Innovation Agency, Cibinong Science Center, Cibinong, Kabupaten Bogor 16911, Indonesia
| | - Craig Stevens
- School of Applied Sciences, Edinburgh Napier University, Sighthill Campus, Edinburgh EH11 4BN, UK
| | - Peter G. Barlow
- School of Applied Sciences, Edinburgh Napier University, Sighthill Campus, Edinburgh EH11 4BN, UK
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Marina CF, Liedo P, Bond JG, R. Osorio A, Valle J, Angulo-Kladt R, Gómez-Simuta Y, Fernández-Salas I, Dor A, Williams T. Comparison of Ground Release and Drone-Mediated Aerial Release of Aedes aegypti Sterile Males in Southern Mexico: Efficacy and Challenges. INSECTS 2022; 13:insects13040347. [PMID: 35447790 PMCID: PMC9025923 DOI: 10.3390/insects13040347] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/09/2022] [Accepted: 03/29/2022] [Indexed: 01/25/2023]
Abstract
Sterile males of Aedes aegypti were released once a week for 8 weeks to evaluate the dispersal efficiency of ground and aerial drone release methods in a rural village of 26 Ha in southern Mexico. Indoor and outdoor BG-Sentinel traps were placed in 13−16 houses distributed throughout the village. The BG traps were activated 48 h after the release of the sterile males and functioned for a 24 h period following each release. Over the 8-week period of simultaneous ground and aerial releases, an average of 85,117 ± 6457 sterile males/week were released at ground level and 86,724 ± 6474 sterile males/week were released using an aerial drone. The ground release method resulted in higher numbers of captured males (mean = 5.1 ± 1.4, range 1.1−15.7 sterile males/trap) compared with the aerial release method (mean = 2.6 ± 0.8, range 0.5−7.3 sterile males/trap) (p < 0.05). Similarly, the prevalence of traps that captured at least one sterile male was significantly higher for ground release compared to the aerial release method (p < 0.01). The lower numbers of sterile males captured in the aerial release method could be due to mortality or physical injury caused by the chilling process for immobilization, or the compaction of these insects during transport and release. However, aerial releases by a two-person team distributed insects over the entire village in just 20 min, compared to ~90 min of work for a five-person team during the ground release method. Ground release also resulted in higher aggregations of males and some villagers reported feeling discomfort from the presence of large numbers of mosquitoes in and around their houses. We conclude that modifications to the handling and transport of sterile males and the design of containers used to store males are required to avoid injury and to improve the efficiency of aerial releases for area-wide SIT-based population suppression programs targeted at mosquito vectors of human disease.
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Affiliation(s)
- Carlos F. Marina
- Centro Regional de Investigación en Salud Pública—Instituto Nacional de Salud Pública, Tapachula 30700, Chiapas, Mexico; (J.G.B.); (A.R.O.); (I.F.-S.)
- Correspondence: (C.F.M.); (T.W.)
| | - Pablo Liedo
- El Colegio de la Frontera Sur (ECOSUR), Unidad Tapachula, Tapachula 30700, Chiapas, Mexico; (P.L.); (J.V.); (A.D.)
| | - J. Guillermo Bond
- Centro Regional de Investigación en Salud Pública—Instituto Nacional de Salud Pública, Tapachula 30700, Chiapas, Mexico; (J.G.B.); (A.R.O.); (I.F.-S.)
| | - Adriana R. Osorio
- Centro Regional de Investigación en Salud Pública—Instituto Nacional de Salud Pública, Tapachula 30700, Chiapas, Mexico; (J.G.B.); (A.R.O.); (I.F.-S.)
| | - Javier Valle
- El Colegio de la Frontera Sur (ECOSUR), Unidad Tapachula, Tapachula 30700, Chiapas, Mexico; (P.L.); (J.V.); (A.D.)
| | | | - Yeudiel Gómez-Simuta
- Programa Moscas de la Fruta (SADER-IICA), Metapa de Domínguez 30860, Chiapas, Mexico;
| | - Ildefonso Fernández-Salas
- Centro Regional de Investigación en Salud Pública—Instituto Nacional de Salud Pública, Tapachula 30700, Chiapas, Mexico; (J.G.B.); (A.R.O.); (I.F.-S.)
- Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León (UANL), San Nicolás de los Garza 66450, Nuevo León, Mexico
| | - Ariane Dor
- El Colegio de la Frontera Sur (ECOSUR), Unidad Tapachula, Tapachula 30700, Chiapas, Mexico; (P.L.); (J.V.); (A.D.)
- Consejo Nacional de Ciencia y Tecnologiá (Investigadora por México CONACYT), El Colegio de la Frontera Sur, Unidad Tapachula, Tapachula 30700, Chiapas, Mexico
| | - Trevor Williams
- Instituto de Ecología AC (INECOL), Xalapa 91073, Veracruz, Mexico
- Correspondence: (C.F.M.); (T.W.)
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Lineage Divergence and Vector-Specific Adaptation Have Driven Chikungunya Virus onto Multiple Adaptive Landscapes. mBio 2021; 12:e0273821. [PMID: 34749526 PMCID: PMC8576524 DOI: 10.1128/mbio.02738-21] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Previous studies have shown that the adaptation of Indian Ocean lineage (IOL) chikungunya virus (CHIKV) strains for Aedes albopictus transmission was mediated by an E1-A226V substitution, followed by either a single substitution in E2 or synergistic substitutions in the E2 and E3 envelope glycoproteins. Here, we examined whether Asian lineage strains, including those that descended from the 2014 Caribbean introduction, are likely to acquire these A. albopictus-adaptive E2 substitutions. Because Asian lineage strains cannot adapt through the E1-A226V substitution due to an epistatic constraint, we first determined that the beneficial effect of these E2 mutations in IOL strains is independent of E1-A226V. We then introduced each of these E2 adaptive mutations into the Asian lineage backbone to determine if they improve infectivity for A. albopictus. Surprisingly, our results indicated that in the Asian lineage backbone, these E2 mutations significantly decreased CHIKV fitness in A. albopictus. Furthermore, we tested the effects of these mutations in Aedes aegypti and observed different results from those in A. albopictus, suggesting that mosquito species-specific factors that interact with the envelope proteins are involved in vector infection efficiency. Overall, our results indicate that the divergence between Asian lineage and IOL CHIKVs has led them onto different adaptive landscapes with differing potentials to expand their vector host range. IMPORTANCE Since its introduction into the Caribbean in October 2013, CHIKV has rapidly spread to almost the entire neotropical region. However, its potential to further spread globally, including into more temperate climates, depends in part on its ability to be transmitted efficiently by Aedes albopictus, which can survive colder winters than A. aegypti. We examined in an Asian lineage backbone A. albopictus-adaptive mutations that arose from 2005 to 2009 in Indian Ocean lineage (IOL) strains. Our results predict that the Asian CHIKV lineage now in the Americas will not readily adapt for enhanced A. albopictus transmission via the same mechanisms or adaptive mutations used previously by IOL strains. The vector species- and CHIKV lineage-specific effects caused by adaptive CHIKV envelope glycoprotein substitutions may elucidate our understanding of the mechanisms of mosquito infection and spread.
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Calvo-Anguiano G, Lugo-Trampe JDJ, Ponce-García G, Lugo-Trampe A, Martinez-Garza LE, Ibarra-Ramirez M, Campos-Acevedo LD, Caballero-Sosa S, Juache-Villagrana AE, Fernández-Salas I, Flores-Suarez AE, Rodriguez-Sanchez IP, Trujillo-Murillo KDC. Molecular Characterization of Associated Pathogens in Febrile Patients during Inter-Epidemic Periods of Urban Arboviral Diseases in Tapachula Southern Mexico. Pathogens 2021; 10:1450. [PMID: 34832606 PMCID: PMC8618676 DOI: 10.3390/pathogens10111450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 10/29/2021] [Accepted: 10/29/2021] [Indexed: 11/16/2022] Open
Abstract
Emerging and re-emerging vector-borne infections are a global public health threat. In endemic regions, fever is the main reason for medical attention, and the etiological agent of such fever is not usually identified. In this study, non-specific febrile pathogens were molecularly characterized in serum samples from 253 patients suspected of arbovirus infection. The samples were collected in the southern border region of Mexico from April to June 2015, and February to March 2016. ZIKV, CHIKV, DENV, leptospirosis, and rickettsiosis were detected by qPCR and nested PCR to identify flavivirus and alphavirus genera. The results indicated that 71.93% of the samples were positive for CHIKV, 0.79% for ZIKV, and 0.39% for DENV, with the number positive for CHIKV increasing to 76.67% and those positive for ZIKV increasing to 15.41% under the nested PCR technique. Leptospira Kmetyi was identified for the first time in Mexico, with a prevalence of 3.16%. This is the first report of ZIKV in Mexico, as well the first detection of the virus in early 2015. In conclusion, the etiological agent of fever was determined in 94% of the analyzed samples.
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Affiliation(s)
- Geovana Calvo-Anguiano
- Departamento Genética, Facultad de Medicina, Universidad Autónoma de Nuevo Leon, Av. Francisco I. Madero S/N, Mitras Centro, Monterrey 64460, Nuevo Leon, Mexico; (G.C.-A.); (J.d.J.L.-T.); (L.E.M.-G.); (M.I.-R.); (L.D.C.-A.)
| | - José de Jesús Lugo-Trampe
- Departamento Genética, Facultad de Medicina, Universidad Autónoma de Nuevo Leon, Av. Francisco I. Madero S/N, Mitras Centro, Monterrey 64460, Nuevo Leon, Mexico; (G.C.-A.); (J.d.J.L.-T.); (L.E.M.-G.); (M.I.-R.); (L.D.C.-A.)
| | - Gustavo Ponce-García
- Facultad de Ciencias Biologicas, Universidad Autonoma de Nuevo Leon, Av. Pedro de Alba S/N, Ciudad Universitaria, San Nicolas de los Garza 66455, Nuevo Leon, Mexico; (G.P.-G.); (A.E.J.-V.); (I.F.-S.); (A.E.F.-S.); (I.P.R.-S.)
| | - Angel Lugo-Trampe
- Facultad de Medicina Humana “Dr. Manuel Velasco Suárez”, Campus IV, Universidad Autónoma de Chiapas, Tapachula 30792, Chiapas, Mexico;
| | - Laura Elia Martinez-Garza
- Departamento Genética, Facultad de Medicina, Universidad Autónoma de Nuevo Leon, Av. Francisco I. Madero S/N, Mitras Centro, Monterrey 64460, Nuevo Leon, Mexico; (G.C.-A.); (J.d.J.L.-T.); (L.E.M.-G.); (M.I.-R.); (L.D.C.-A.)
| | - Marisol Ibarra-Ramirez
- Departamento Genética, Facultad de Medicina, Universidad Autónoma de Nuevo Leon, Av. Francisco I. Madero S/N, Mitras Centro, Monterrey 64460, Nuevo Leon, Mexico; (G.C.-A.); (J.d.J.L.-T.); (L.E.M.-G.); (M.I.-R.); (L.D.C.-A.)
| | - Luis Daniel Campos-Acevedo
- Departamento Genética, Facultad de Medicina, Universidad Autónoma de Nuevo Leon, Av. Francisco I. Madero S/N, Mitras Centro, Monterrey 64460, Nuevo Leon, Mexico; (G.C.-A.); (J.d.J.L.-T.); (L.E.M.-G.); (M.I.-R.); (L.D.C.-A.)
| | - Sandra Caballero-Sosa
- Clínica Hospital Dr. Roberto Nettel Flores, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Av. Tuxtepec y Oaxaca S/N, Francisco Villa, Tapachula 30740, Chiapas, Mexico;
| | - Alan Esteban Juache-Villagrana
- Facultad de Ciencias Biologicas, Universidad Autonoma de Nuevo Leon, Av. Pedro de Alba S/N, Ciudad Universitaria, San Nicolas de los Garza 66455, Nuevo Leon, Mexico; (G.P.-G.); (A.E.J.-V.); (I.F.-S.); (A.E.F.-S.); (I.P.R.-S.)
| | - Ildefonso Fernández-Salas
- Facultad de Ciencias Biologicas, Universidad Autonoma de Nuevo Leon, Av. Pedro de Alba S/N, Ciudad Universitaria, San Nicolas de los Garza 66455, Nuevo Leon, Mexico; (G.P.-G.); (A.E.J.-V.); (I.F.-S.); (A.E.F.-S.); (I.P.R.-S.)
- Centro de Investigación y Desarrollo en Ciencias de la Salud, Universidad Autónoma de Nuevo León, Av. Mutualismo, Monterrey 64460, Nuevo León, Mexico
| | - Adriana Elizabeth Flores-Suarez
- Facultad de Ciencias Biologicas, Universidad Autonoma de Nuevo Leon, Av. Pedro de Alba S/N, Ciudad Universitaria, San Nicolas de los Garza 66455, Nuevo Leon, Mexico; (G.P.-G.); (A.E.J.-V.); (I.F.-S.); (A.E.F.-S.); (I.P.R.-S.)
| | - Iram Pablo Rodriguez-Sanchez
- Facultad de Ciencias Biologicas, Universidad Autonoma de Nuevo Leon, Av. Pedro de Alba S/N, Ciudad Universitaria, San Nicolas de los Garza 66455, Nuevo Leon, Mexico; (G.P.-G.); (A.E.J.-V.); (I.F.-S.); (A.E.F.-S.); (I.P.R.-S.)
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Pedraza-Escalona M, Guzmán-Bringas O, Arrieta-Oliva HI, Gómez-Castellano K, Salinas-Trujano J, Torres-Flores J, Muñoz-Herrera JC, Camacho-Sandoval R, Contreras-Pineda P, Chacón-Salinas R, Pérez-Tapia SM, Almagro JC. Isolation and characterization of high affinity and highly stable anti-Chikungunya virus antibodies using ALTHEA Gold Libraries™. BMC Infect Dis 2021; 21:1121. [PMID: 34717584 PMCID: PMC8556770 DOI: 10.1186/s12879-021-06717-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Accepted: 09/22/2021] [Indexed: 08/29/2023] Open
Abstract
BACKGROUND More than 3 million infections were attributed to Chikungunya virus (CHIKV) in the 2014-2016 outbreak in Mexico, Central and South America, with over 500 deaths directly or indirectly related to this viral disease. CHIKV outbreaks are recurrent and no vaccine nor approved therapeutics exist to prevent or treat CHIKV infection. Reliable and robust diagnostic methods are thus critical to control future CHIKV outbreaks. Direct CHIKV detection in serum samples via highly specific and high affinity anti-CHIKV antibodies has shown to be an early and effective clinical diagnosis. METHODS To isolate highly specific and high affinity anti-CHIKV, Chikungunya virions were isolated from serum of a patient in Veracruz, México. After purification and characterization via electron microscopy, SDS-PAGE and binding to well-characterized anti-CHIKV antibodies, UV-inactivated particles were utilized as selector in a solid-phase panning in combination with ALTHEA Gold Libraries™, as source of antibodies. The screening was based on ELISA and Next-Generation Sequencing. RESULTS The CHIKV isolate showed the typical morphology of the virus. Protein bands in the SDS-PAGE were consistent with the size of CHIKV capsid proteins. UV-inactivated CHIKV particles bound tightly the control antibodies. The lead antibodies here obtained, on the other hand, showed high expression yield, > 95% monomeric content after a single-step Protein A purification, and importantly, had a thermal stability above 75 °C. Most of the antibodies recognized linear epitopes on E2, including the highest affinity antibody called C7. A sandwich ELISA implemented with C7 and a potent neutralizing antibody isolated elsewhere, also specific for E2 but recognizing a discontinuous epitope, showed a dynamic range of 0.2-40.0 mg/mL of UV-inactivated CHIKV purified preparation. The number of CHIKV particles estimated based on the concentration of E2 in the extract suggested that the assay could detect clinically meaningful amounts of CHIKV in serum. CONCLUSIONS The newly discovered antibodies offer valuable tools for characterization of CHIKV isolates. Therefore, the strategy here followed using whole viral particles and ALTHEA Gold Libraries™ could expedite the discovery and development of antibodies for detection and control of emergent and quickly spreading viral outbreaks.
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Affiliation(s)
- M Pedraza-Escalona
- CONACyT-Unidad de Desarrollo e Investigación en Bioprocesos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, México.,Laboratorio Nacional para Servicios Especializados de Investigación, Desarrollo e Innovación (I+D+i) para Farmoquímicos y Biotecnológicos, LANSEIDI-FarBiotec-CONACyT, Mexico City, México
| | - O Guzmán-Bringas
- Unidad de Desarrollo e Investigación en Bioprocesos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, México.,Laboratorio Nacional para Servicios Especializados de Investigación, Desarrollo e Innovación (I+D+i) para Farmoquímicos y Biotecnológicos, LANSEIDI-FarBiotec-CONACyT, Mexico City, México
| | - H I Arrieta-Oliva
- Unidad de Desarrollo e Investigación en Bioprocesos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, México.,Laboratorio Nacional para Servicios Especializados de Investigación, Desarrollo e Innovación (I+D+i) para Farmoquímicos y Biotecnológicos, LANSEIDI-FarBiotec-CONACyT, Mexico City, México
| | - K Gómez-Castellano
- Unidad de Desarrollo e Investigación en Bioprocesos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, México.,Laboratorio Nacional para Servicios Especializados de Investigación, Desarrollo e Innovación (I+D+i) para Farmoquímicos y Biotecnológicos, LANSEIDI-FarBiotec-CONACyT, Mexico City, México
| | - J Salinas-Trujano
- Unidad de Desarrollo e Investigación en Bioprocesos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, México.,Laboratorio Nacional para Servicios Especializados de Investigación, Desarrollo e Innovación (I+D+i) para Farmoquímicos y Biotecnológicos, LANSEIDI-FarBiotec-CONACyT, Mexico City, México
| | - J Torres-Flores
- Unidad de Desarrollo e Investigación en Bioprocesos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, México
| | - J C Muñoz-Herrera
- Unidad de Desarrollo e Investigación en Bioprocesos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, México.,Laboratorio Nacional para Servicios Especializados de Investigación, Desarrollo e Innovación (I+D+i) para Farmoquímicos y Biotecnológicos, LANSEIDI-FarBiotec-CONACyT, Mexico City, México
| | - R Camacho-Sandoval
- Unidad de Desarrollo e Investigación en Bioprocesos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, México.,Laboratorio Nacional para Servicios Especializados de Investigación, Desarrollo e Innovación (I+D+i) para Farmoquímicos y Biotecnológicos, LANSEIDI-FarBiotec-CONACyT, Mexico City, México
| | - P Contreras-Pineda
- Unidad de Desarrollo e Investigación en Bioprocesos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, México.,Laboratorio Nacional para Servicios Especializados de Investigación, Desarrollo e Innovación (I+D+i) para Farmoquímicos y Biotecnológicos, LANSEIDI-FarBiotec-CONACyT, Mexico City, México
| | - R Chacón-Salinas
- Unidad de Desarrollo e Investigación en Bioprocesos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, México.,Laboratorio Nacional para Servicios Especializados de Investigación, Desarrollo e Innovación (I+D+i) para Farmoquímicos y Biotecnológicos, LANSEIDI-FarBiotec-CONACyT, Mexico City, México.,Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional (ENCB-IPN), México City, México
| | - S M Pérez-Tapia
- Unidad de Desarrollo e Investigación en Bioprocesos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, México.,Laboratorio Nacional para Servicios Especializados de Investigación, Desarrollo e Innovación (I+D+i) para Farmoquímicos y Biotecnológicos, LANSEIDI-FarBiotec-CONACyT, Mexico City, México.,Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional (ENCB-IPN), México City, México
| | - J C Almagro
- Unidad de Desarrollo e Investigación en Bioprocesos (UDIBI), Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, México. .,Laboratorio Nacional para Servicios Especializados de Investigación, Desarrollo e Innovación (I+D+i) para Farmoquímicos y Biotecnológicos, LANSEIDI-FarBiotec-CONACyT, Mexico City, México. .,GlobalBio, Inc, 320 Concord Ave., 02138, Cambridge, MA, USA.
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Garcia-Rejon JE, Navarro JC, Cigarroa-Toledo N, Baak-Baak CM. An Updated Review of the Invasive Aedes albopictus in the Americas; Geographical Distribution, Host Feeding Patterns, Arbovirus Infection, and the Potential for Vertical Transmission of Dengue Virus. INSECTS 2021; 12:insects12110967. [PMID: 34821768 PMCID: PMC8621292 DOI: 10.3390/insects12110967] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 09/28/2021] [Accepted: 10/08/2021] [Indexed: 11/16/2022]
Abstract
Simple Summary Currently, the Asian tiger mosquito Aedes albopictus Skuse is present on all continents except Antarctica. Efficiency as a vector of Ae. albopictus is different by geographic region. In areas where Aedes aegypti is absent, the Asian mosquito is the main vector of arboviruses such as dengue, Zika, and chikungunya. In the Americas, Ae. albopictus occupies the same ecological niches as Ae. aegypti. It is difficult to incriminate the Asian mosquito as the cause of autochthonous arbovirus outbreaks. However, evidence suggests that Ae. albopictus is very effective in transmitting endemic arboviruses (such as dengue) both horizontal and vertical transmission. Aedes albopictus could be useful as a sentinel species to monitor dengue virus in interepidemic periods. Abstract Aedes (Stegomyia) albopictus is a mosquito native to Southeast Asia. Currently, it has a wide distribution in America, where natural infection with arboviruses of medical and veterinary importance has been reported. In spite of their importance in the transmission of endemic arbovirus, the basic information of parameters affecting their vectorial capacity is poorly investigated. The aim of the work was to update the distribution range of Ae. albopictus in the Americas, review the blood-feeding patterns, and compare the minimum infection rate (MIR) of the Dengue virus (DENV) between studies of vertical and horizontal transmission. The current distribution of Ae. albopictus encompasses 21 countries in the Americas. An extensive review has been conducted for the blood-feeding patterns of Ae. albopictus. The results suggest that the mosquito is capable of feeding on 16 species of mammals and five species of avian. Humans, dogs, and rats are the most common hosts. Eight arboviruses with the potential to infect humans and animals have been isolated in Ae. albopictus. In the United States of America (USA), Eastern equine encephalitis virus, Keystone virus, La Crosse Virus, West Nile virus, and Cache Valley virus were isolated in the Asian mosquito. In Brazil, Mexico, Colombia, and Costa Rica, DENV (all serotypes) has been frequently identified in field-caught Ae. albopictus. Overall, the estimated MIR in Ae. albopictus infected with DENV is similar between horizontal (10.95) and vertical transmission (8.28). However, in vertical transmission, there is a difference in the MIR values if the DENV is identified from larvae or adults (males and females emerged from a collection of eggs or larvae). MIR estimated from larvae is 14.04 and MIR estimated in adults is 4.04. In conclusion, it has to be highlighted that Ae. albopictus is an invasive mosquito with wide phenotypic plasticity to adapt to broad and new areas, it is highly efficient to transmit the DENV horizontally and vertically, it can participate in the inter-endemic transmission of the dengue disease, and it can spread zoonotic arboviruses across forest and urban settings.
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Affiliation(s)
- Julian E. Garcia-Rejon
- Centro de Investigaciones Regionales, Laboratorio de Arbovirologia, Universidad Autonoma de Yucatan, Merida 97069, Yucatan, Mexico;
| | - Juan-Carlos Navarro
- Grupo de Investigación en Enfermedades Emergentes, Desatendidas, Ecopidemiología y Biodiversidad, Facultad de Ciencias de la Salud, Universidad Internacional SEK, Quito 170107, Ecuador
- Correspondence: (J.-C.N.); (C.M.B.-B.)
| | - Nohemi Cigarroa-Toledo
- Centro de Investigaciones Regionales, Laboratorio de Biología Celular, Universidad Autonoma de Yucatan, Merida 97069, Yucatan, Mexico;
| | - Carlos M. Baak-Baak
- Centro de Investigaciones Regionales, Laboratorio de Arbovirologia, Universidad Autonoma de Yucatan, Merida 97069, Yucatan, Mexico;
- Correspondence: (J.-C.N.); (C.M.B.-B.)
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8
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Marina CF, Bond JG, Hernández-Arriaga K, Valle J, Ulloa A, Fernández-Salas I, Carvalho DO, Bourtzis K, Dor A, Williams T, Liedo P. Population Dynamics of Aedes aegypti and Aedes albopictus in Two Rural Villages in Southern Mexico: Baseline Data for an Evaluation of the Sterile Insect Technique. INSECTS 2021; 12:58. [PMID: 33440870 PMCID: PMC7827525 DOI: 10.3390/insects12010058] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/06/2021] [Accepted: 01/07/2021] [Indexed: 12/11/2022]
Abstract
Indoor and outdoor ovitraps were placed in 15 randomly selected houses in two rural villages in Chiapas, southern Mexico. In addition, ovitraps were placed in five transects surrounding each village, with three traps per transect, one at the edge, one at 50 m, and another at 100 m from the edge of the village. All traps were inspected weekly. A transect with eight traps along a road between the two villages was also included. Population fluctuations of Aedes aegypti and Ae. albopictus were examined during 2016-2018 by counting egg numbers. A higher number of Aedes spp. eggs was recorded at Hidalgo village with 257,712 eggs (60.9%), of which 58.1% were present in outdoor ovitraps and 41.9% in indoor ovitraps, compared with 165,623 eggs (39.1%) collected in the village of Río Florido, 49.0% in outdoor and 51.0% in indoor ovitraps. A total of 84,047 eggs was collected from ovitraps placed along transects around Río Florido, compared to 67,542 eggs recorded from transects around Hidalgo. Fluctuations in egg counts were associated with annual variation in precipitation, with 2.3 to 3.2-fold more eggs collected from ovitraps placed in houses and 4.8 to 5.1-fold more eggs in ovitraps from the surrounding transects during the rainy season than in the dry season, respectively. Aedes aegypti was the dominant species during the dry season and at the start of the rainy season in both villages. Aedes albopictus populations were lower for most of the dry season, but increased during the rainy season and predominated at the end of the rainy season in both villages. Aedes albopictus was also the dominant species in the zones surrounding both villages. The numbers of eggs collected from intradomiciliary ovitraps were strongly correlated with the numbers of eggs in peridomiciliary ovitraps in both Río Florido (R2 adj = 0.92) and Hidalgo (R2 adj = 0.94), suggesting that peridomiciliary sampling could provide an accurate estimate of intradomiciliary oviposition by Aedes spp. in future studies in these villages. We conclude that the feasibility of sterile insect technique (SIT)-based program of vector control could be evaluated in the isolated Ae. aegypti populations in the rural villages of our baseline study.
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Affiliation(s)
- Carlos F. Marina
- Centro Regional de Investigación en Salud Pública-INSP, Tapachula, Chiapas 30700, Mexico; (J.G.B.); (K.H.-A.); (A.U.); (I.F.-S.)
| | - J. Guillermo Bond
- Centro Regional de Investigación en Salud Pública-INSP, Tapachula, Chiapas 30700, Mexico; (J.G.B.); (K.H.-A.); (A.U.); (I.F.-S.)
| | - Kenia Hernández-Arriaga
- Centro Regional de Investigación en Salud Pública-INSP, Tapachula, Chiapas 30700, Mexico; (J.G.B.); (K.H.-A.); (A.U.); (I.F.-S.)
| | - Javier Valle
- El Colegio de la Frontera Sur (ECOSUR), Tapachula, Chiapas 30700, Mexico; (J.V.); (A.D.); (P.L.)
| | - Armando Ulloa
- Centro Regional de Investigación en Salud Pública-INSP, Tapachula, Chiapas 30700, Mexico; (J.G.B.); (K.H.-A.); (A.U.); (I.F.-S.)
- Facultad de Ciencias Químicas, Universidad Autónoma de Chiapas (UNACH), Tapachula, Chiapas 30700, Mexico
| | - Ildefonso Fernández-Salas
- Centro Regional de Investigación en Salud Pública-INSP, Tapachula, Chiapas 30700, Mexico; (J.G.B.); (K.H.-A.); (A.U.); (I.F.-S.)
- Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León (UANL), San Nicolás de los Garza, Nuevo León 66450, Mexico
| | - Danilo O. Carvalho
- Insect Pest Control Laboratory, Joint FAO/IAEA Programme of Nuclear Techniques in Food and Agriculture, IAEA Laboratories, 2444 Seibersdorf, Austria; (D.O.C.); (K.B.)
| | - Kostas Bourtzis
- Insect Pest Control Laboratory, Joint FAO/IAEA Programme of Nuclear Techniques in Food and Agriculture, IAEA Laboratories, 2444 Seibersdorf, Austria; (D.O.C.); (K.B.)
| | - Ariane Dor
- El Colegio de la Frontera Sur (ECOSUR), Tapachula, Chiapas 30700, Mexico; (J.V.); (A.D.); (P.L.)
| | - Trevor Williams
- Instituto de Ecología AC (INECOL), Xalapa, Veracruz 91073, Mexico;
| | - Pablo Liedo
- El Colegio de la Frontera Sur (ECOSUR), Tapachula, Chiapas 30700, Mexico; (J.V.); (A.D.); (P.L.)
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9
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Population bottlenecks and founder effects: implications for mosquito-borne arboviral emergence. Nat Rev Microbiol 2021; 19:184-195. [PMID: 33432235 PMCID: PMC7798019 DOI: 10.1038/s41579-020-00482-8] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/03/2020] [Indexed: 01/31/2023]
Abstract
Transmission of arthropod-borne viruses (arboviruses) involves infection and replication in both arthropod vectors and vertebrate hosts. Nearly all arboviruses are RNA viruses with high mutation frequencies, which leaves them vulnerable to genetic drift and fitness losses owing to population bottlenecks during vector infection, dissemination from the midgut to the salivary glands and transmission to the vertebrate host. However, despite these bottlenecks, they seem to avoid fitness declines that can result from Muller's ratchet. In addition, founder effects that occur during the geographic introductions of human-amplified arboviruses, including chikungunya virus and Zika virus, can affect epidemic and endemic circulation, as well as virulence. In this Review, we discuss the role of genetic drift following population bottlenecks and founder effects in arboviral evolution and spread, and the emergence of human disease.
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10
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Chan-Chable RJ, Martínez-Arce A, Ortega-Morales AI, Mis-Ávila PC. New Records and Updated Checklist of Mosquito Species in Quintana Roo, Mexico, Using DNA-Barcoding. JOURNAL OF THE AMERICAN MOSQUITO CONTROL ASSOCIATION 2020; 36:264-268. [PMID: 33647116 DOI: 10.2987/20-6941.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Collections of mosquitoes were conducted as part of the entomological vector surveillance in Quintana Roo State, Mexico, during September 2015. Species collected included Anopheles gabaldoni, An. darlingi, Psorophora columbiae, Culex inflictus, Cx. trifidus, Cx. lactator, and Wyeomyia guatemala s.l. All the specimens were identified by morphological and molecular characters (DNA-barcoding). This is the 1st time these species are reported in the Mexican state of Quintana Roo. This research updates and increases the list of species of mosquitoes in Quintana Roo from 79 to 86.
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11
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Rodrigues-Alves ML, Melo-Júnior OADO, Silveira P, Mariano RMDS, Leite JC, Santos TAP, Soares IS, Lair DF, Melo MM, Resende LA, da Silveira-Lemos D, Dutra WO, Gontijo NDF, Araujo RN, Sant'Anna MRV, Andrade LAF, da Fonseca FG, Moreira LA, Giunchetti RC. Historical Perspective and Biotechnological Trends to Block Arboviruses Transmission by Controlling Aedes aegypti Mosquitos Using Different Approaches. Front Med (Lausanne) 2020; 7:275. [PMID: 32656216 PMCID: PMC7325419 DOI: 10.3389/fmed.2020.00275] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 05/18/2020] [Indexed: 12/30/2022] Open
Abstract
Continuous climate changes associated with the disorderly occupation of urban areas have exposed Latin American populations to the emergence and reemergence of arboviruses transmitted by Aedes aegypti. The magnitude of the financial and political problems these epidemics may bring to the future of developing countries is still ignored. Due to the lack of effective antiviral drugs and vaccines against arboviruses, the primary measure for preventing or reducing the transmission of diseases depends entirely on the control of vectors or the interruption of human-vector contact. In Brazil the first attempt to control A. aegypti took place in 1902 by eliminating artificial sites of eproduction. Other strategies, such as the use of oviposition traps and chemical control with dichlorodiphenyltrichlorethane and pyrethroids, were successful, but only for a limited time. More recently, biotechnical approaches, such as the release of transgenics or sterile mosquitoes and the, development of transmission blocking vaccines, are being applied to try to control the A. aegypti population and/or arbovirus transmission. Endemic countries spend about twice as much to treat patients as they do on the prevention of mosquito-transmitted diseases. The result of this strategy is an explosive outbreak of arboviruses cases. This review summarizes the social impacts caused by A. aegypti-transmitted diseases, mainly from a biotechnological perspective in vector control aimed at protecting Latin American populations against arboviruses.
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Affiliation(s)
- Marina Luiza Rodrigues-Alves
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Otoni Alves de Oliveira Melo-Júnior
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Patrícia Silveira
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Reysla Maria da Silveira Mariano
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Jaqueline Costa Leite
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Thaiza Aline Pereira Santos
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Ingrid Santos Soares
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Daniel Ferreira Lair
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Marília Martins Melo
- Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Lucilene Aparecida Resende
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Denise da Silveira-Lemos
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Departamento de Medicina, Universidade José Do Rosário Vellano, UNIFENAS, Belo Horizonte, Brazil
| | - Walderez Ornelas Dutra
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Nelder de Figueiredo Gontijo
- Laboratório de Fisiologia de Insetos Hematófagos, Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Ricardo Nascimento Araujo
- Laboratório de Fisiologia de Insetos Hematófagos, Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Mauricio Roberto Viana Sant'Anna
- Laboratório de Fisiologia de Insetos Hematófagos, Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Luis Adan Flores Andrade
- Laboratório de Virologia Básica e Aplicada, Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Flávio Guimarães da Fonseca
- Laboratório de Virologia Básica e Aplicada, Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Luciano Andrade Moreira
- Laboratório de Mosquitos Vetores: Endossimbiontes e Interação Patógeno-Vetor, Instituto René Rachou, Fiocruz, Belo Horizonte, Brazil
| | - Rodolfo Cordeiro Giunchetti
- Laboratório de Biologia das Interações Celulares, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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12
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Causa R, Ochoa-Díaz-López H, Dor A, Rodríguez-León F, Solís-Hernández R, Pacheco-Soriano AL. Emerging arboviruses (dengue, chikungunya, and Zika) in Southeastern Mexico: influence of socio-environmental determinants on knowledge and practices. CAD SAUDE PUBLICA 2020; 36:e00110519. [PMID: 32578804 DOI: 10.1590/0102-311x00110519] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 11/19/2019] [Indexed: 11/22/2022] Open
Abstract
The proliferation of arboviruses and their vectors is influenced by a complex interplay between vector, environment and human behaviors. The aim of this work is to analyze the influence of socio-environmental determinants on knowledge and practices regarding arboviruses transmission, among the residents of three communities on the southern border of Mexico. Between June 2017 and August 2018, a set of 149 households from three communities of Tapachula (Chiapas) and Villahermosa (Tabasco) were covered. This study consists of the application of a community prevention project. Different surveys and methodological approaches were used. Associations between socio-environmental determinants and knowledge and practices for arboviruses transmission control were estimated by odds ratio. Logistic regression and qualitative techniques were used. Although around 75% of households had an adequate knowledge about arboviruses' origin and transmission, only 30% of them adopted adequate practices. Domestic risk practices were associated with serious deficiencies in water and sanitation services. Furthermore, a perception of greater risk and difficulty in complying with preventive measures were detected. An adequate knowledge does not necessarily lead to adequate prevention practices. Intermediate social determinants influence on the persistence of risk behaviors for arboviruses proliferation. Addressing such related aspects requires the achievement of an effective and sustainable vector management.
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Affiliation(s)
- Roberta Causa
- Escuela Andaluza de Salud Pública, Granada, España.,Hospital Universitario de Puerto Real, Cádiz, España
| | | | - Ariane Dor
- Consejo Nacional de Ciencia y Tecnología, Tapachula, México.,El Colegio de la Frontera Sur, Tapachula, México
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Guerrero-Arguero I, Høj TR, Tass ES, Berges BK, Robison RA. A comparison of Chikungunya virus infection, progression, and cytokine profiles in human PMA-differentiated U937 and murine RAW264.7 monocyte derived macrophages. PLoS One 2020; 15:e0230328. [PMID: 32163514 PMCID: PMC7067478 DOI: 10.1371/journal.pone.0230328] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 02/27/2020] [Indexed: 11/29/2022] Open
Abstract
Chikungunya virus (CHIKV) is a mosquito-borne alphavirus that causes rash, fever and severe polyarthritis that can last for years in humans. Murine models display inflammation and macrophage infiltration only in the adjacent tissues at the site of inoculation, showing no signs of systemic polyarthritis. Monocyte-derived macrophages are one cell type suspected to contribute to a systemic CHIKV infection. The purpose of this study was to analyze differences in CHIKV infection in two different cell lines, human U937 and murine RAW264.7 monocyte derived macrophages. PMA-differentiated U937 and RAW264.7 macrophages were infected with CHIKV, and infectious virus production was measured by plaque assay and by reverse transcriptase quantitative PCR at various time points. Secreted cytokines in the supernatants were measured using cytometric bead arrays. Cytokine mRNA levels were also measured to supplement expression data. Here we show that CHIKV replicates more efficiently in human macrophages compared to murine macrophages. In addition, infected human macrophages produced around 10-fold higher levels of infectious virus when compared to murine macrophages. Cytokine induction by CHIKV infection differed between human and murine macrophages; IL-1, IL-6, IFN-γ, and TNF were significantly upregulated in human macrophages. This evidence suggests that CHIKV replicates more efficiently and induces a much greater pro-inflammatory cytokine profile in human macrophages, when compared to murine macrophages. This may shed light on the critical role that macrophages play in the CHIKV inflammatory response.
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Affiliation(s)
- Israel Guerrero-Arguero
- Department of Microbiology and Molecular Biology, College of Life Sciences, Brigham Young University, Provo, Utah, United States of America
| | - Taalin R. Høj
- Department of Microbiology and Molecular Biology, College of Life Sciences, Brigham Young University, Provo, Utah, United States of America
| | - E. Shannon Tass
- Department of Statistics, College of Physical and Mathematical Sciences, Brigham Young University, Provo, Utah, United States of America
| | - Bradford K. Berges
- Department of Microbiology and Molecular Biology, College of Life Sciences, Brigham Young University, Provo, Utah, United States of America
| | - Richard A. Robison
- Department of Microbiology and Molecular Biology, College of Life Sciences, Brigham Young University, Provo, Utah, United States of America
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14
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Arbovirus vectors of epidemiological concern in the Americas: A scoping review of entomological studies on Zika, dengue and chikungunya virus vectors. PLoS One 2020; 15:e0220753. [PMID: 32027652 PMCID: PMC7004335 DOI: 10.1371/journal.pone.0220753] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 01/02/2020] [Indexed: 11/20/2022] Open
Abstract
Background Three arthropod-borne viruses (arboviruses) causing human disease have been the focus of a large number of studies in the Americas since 2013 due to their global spread and epidemiological impacts: Zika, dengue, and chikungunya viruses. A large proportion of infections by these viruses are asymptomatic. However, all three viruses are associated with moderate to severe health consequences in a small proportion of cases. Two mosquito species, Aedes aegypti and Aedes albopictus, are among the world’s most prominent arboviral vectors, and are known vectors for all three viruses in the Americas. Objectives This review summarizes the state of the entomological literature surrounding the mosquito vectors of Zika, dengue and chikungunya viruses and factors affecting virus transmission. The rationale of the review was to identify and characterize entomological studies that have been conducted in the Americas since the introduction of chikungunya virus in 2013, encompassing a period of arbovirus co-circulation, and guide future research based on identified knowledge gaps. Methods The preliminary search for this review was conducted on PubMed (National Library of Health, Bethesda, MD, United States). The search included the terms ‘zika’ OR ‘dengue’ OR ‘chikungunya’ AND ‘vector’ OR ‘Aedes aegypti’ OR ‘Aedes albopictus’. The search was conducted on March 1st of 2018, and included all studies since January 1st of 2013. Results A total of 96 studies were included in the scoping review after initial screening and subsequent exclusion of out-of-scope studies, secondary data publications, and studies unavailable in English language. Key findings We observed a steady increase in number of publications, from 2013 to 2018, with half of all studies published from January 2017 to March 2018. Interestingly, information on Zika virus vector species composition was abundant, but sparse on Zika virus transmission dynamics. Few studies examined natural infection rates of Zika virus, vertical transmission, or co-infection with other viruses. This is in contrast to the wealth of research available on natural infection and co-infection for dengue and chikungunya viruses, although vertical transmission research was sparse for all three viruses.
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15
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Ortega-López LD, Pondeville E, Kohl A, León R, Betancourth MP, Almire F, Torres-Valencia S, Saldarriaga S, Mirzai N, Ferguson HM. The mosquito electrocuting trap as an exposure-free method for measuring human-biting rates by Aedes mosquito vectors. Parasit Vectors 2020; 13:31. [PMID: 31941536 PMCID: PMC6961254 DOI: 10.1186/s13071-020-3887-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 01/04/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Entomological monitoring of Aedes vectors has largely relied on surveillance of larvae, pupae and non-host-seeking adults, which have been poorly correlated with human disease incidence. Exposure to mosquito-borne diseases can be more directly estimated using human landing catches (HLC), although this method is not recommended for Aedes-borne arboviruses. We evaluated a new method previously tested with malaria vectors, the mosquito electrocuting trap (MET) as an exposure-free alternative for measuring landing rates of Aedes mosquitoes on people. Aims were to (i) compare the MET to the BG-sentinel (BGS) trap gold standard approach for sampling host-seeking Aedes vectors; and (ii) characterize the diel activity of Aedes vectors and their association with microclimatic conditions. METHODS The study was conducted over 12 days in Quinindé (Ecuador) in May 2017. Mosquito sampling stations were set up in the peridomestic area of four houses. On each day of sampling, each house was allocated either a MET or a BGS trap, which were rotated amongst the four houses daily in a Latin square design. Mosquito abundance and microclimatic conditions were recorded hourly at each sampling station between 7:00-19:00 h to assess variation between vector abundance, trapping methods, and environmental conditions. All Aedes aegypti females were tested for the presence of Zika (ZIKV), dengue (DENV) and chikungunya (CHIKV) viruses. RESULTS A higher number of Ae. aegypti females were found in MET than in BGS collections, although no statistically significant differences in mean Ae. aegypti abundance between trapping methods were found. Both trapping methods indicated female Ae. aegypti had bimodal patterns of host-seeking, being highest during early morning and late afternoon hours. Mean Ae. aegypti daily abundance was negatively associated with daily temperature. No infection by ZIKV, DENV or CHIKV was detected in any Aedes mosquitoes caught by either trapping method. CONCLUSION We conclude the MET performs at least as well as the BGS standard and offers the additional advantage of direct measurement of per capita human-biting rates. If detection of arboviruses can be confirmed in MET-collected Aedes in future studies, this surveillance method could provide a valuable tool for surveillance and prediction on human arboviral exposure risk.
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Affiliation(s)
- Leonardo D. Ortega-López
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Glasgow, G12 8QQ UK
- MRC-University of Glasgow Centre for Virus Research, Glasgow, G61 1QH UK
| | - Emilie Pondeville
- MRC-University of Glasgow Centre for Virus Research, Glasgow, G61 1QH UK
| | - Alain Kohl
- MRC-University of Glasgow Centre for Virus Research, Glasgow, G61 1QH UK
| | - Renato León
- Laboratorio de Entomología Médica & Medicina Tropical (LEMMT), Universidad San Francisco de Quito, Quito, 170901 Ecuador
| | | | - Floriane Almire
- MRC-University of Glasgow Centre for Virus Research, Glasgow, G61 1QH UK
| | - Sergio Torres-Valencia
- Laboratorio de Entomología Médica & Medicina Tropical (LEMMT), Universidad San Francisco de Quito, Quito, 170901 Ecuador
| | - Segundo Saldarriaga
- Laboratorio de Entomología Médica & Medicina Tropical (LEMMT), Universidad San Francisco de Quito, Quito, 170901 Ecuador
| | - Nosrat Mirzai
- Bioelectronics Unit, University of Glasgow, Glasgow, G12 8QQ UK
| | - Heather M. Ferguson
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Glasgow, G12 8QQ UK
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Weaver SC, Chen R, Diallo M. Chikungunya Virus: Role of Vectors in Emergence from Enzootic Cycles. ANNUAL REVIEW OF ENTOMOLOGY 2020; 65:313-332. [PMID: 31594410 DOI: 10.1146/annurev-ento-011019-025207] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Chikungunya virus (CHIKV), a re-emerging mosquito-borne arbovirus, has caused millions of cases of severe, often chronic arthralgia during recent outbreaks. In Africa, circulation in sylvatic, enzootic cycles involves several species of arboreal mosquito vectors that transmit among diverse nonhuman primates and possibly other amplifying hosts. Most disease occurs when CHIKV emerges into a human-amplified cycle involving Aedes aegypti and sometimes Aedes albopictus transmission and extensive spread via travelers. Epidemiologic studies suggest that the transition from enzootic to epidemic cycles begins when people are infected via spillover in forests. However, efficient human amplification likely only ensues far from enzootic habitats where peridomestic vector and human densities are adequate. Recent outbreaks have been enhanced by mutations that adapt CHIKV for more efficient infection of Ae. albopictus, allowing for geographic expansion. However, epistatic interactions, sometimes resulting from founder effects following point-source human introductions, have profound effects on transmission efficiency, making CHIKV emergence somewhat unpredictable.
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Affiliation(s)
- Scott C Weaver
- Institute for Human Infections and Immunity, World Reference Center for Emerging Viruses and Arboviruses, and Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas 77555-0610, USA;
| | - Rubing Chen
- Institute for Human Infections and Immunity, World Reference Center for Emerging Viruses and Arboviruses, and Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas 77555-0610, USA;
| | - Mawlouth Diallo
- Medical Entomology Unit, Institut Pasteur Dakar, B.P. 220 Dakar, Senegal
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17
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Nascimento KLC, da Silva JFM, Zequi JAC, Lopes J. Comparison Between Larval Survey Index and Positive Ovitrap Index in the Evaluation of Populations of Aedes ( Stegomyia) aegypti (Linnaeus, 1762) North of Paraná, Brazil. ENVIRONMENTAL HEALTH INSIGHTS 2020; 14:1178630219886570. [PMID: 31933523 PMCID: PMC6945453 DOI: 10.1177/1178630219886570] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 10/10/2019] [Indexed: 06/10/2023]
Abstract
Aedes (Stegomyia) aegypti (Linnaeus, 1762) is one of the world's most widely distributed mosquitoes and is the vector of the dengue virus, one of the most important reemerging diseases. Besides dengue, A. aegypti can also transmit urban yellow fever, chikungunya, and Zika virus, making it of great medical importance. Thus, it is of extreme importance to find reliable methods to evaluate the presence of A. aegypti in urban areas. In Brazil, rapid index surveys of Aedes aegypti by means of larval survey (LIRAa) is the official method to estimate the Breteau (BI) and property infestation (PII) indexes, which indicates how many infested containers with larvae of A. aegypti were found by the total number of properties surveyed and the proportion of houses infested, respectively. As the LIRAa requires access to private residences and trained personal to find breeding sites and do not reveal the mosquito's presence when in low density, it has not demonstrated efficacy in determining the presence of A. aegypti. To evaluate an alternative method, the LIRAa method was compared with an oviposition trap, made with hay infusion and a hardboard pallet, to evaluate the BI and the PII. The 2 methods were carried out simultaneously through 4 surveys, sampling 60 homes per survey. To evaluate the best configuration of ovitraps for surveillance of A. aegypti, the ovitraps were installed in intradomicile and peridomicile areas, with 1 to 5 traps per residence and with 1 to 3 pallets per trap, and these different configurations were compared using the positive ovitrap index (POI) and egg density index (EDI). The ovitraps showed greater sensitivity for detecting the presence of A. aegypti, with a BI of 72.5% and PII of 54.2%, whereas the LIRAa revealed only 2.1% for the BI and 1.3% for the PII. Therefore, the use of sentinel traps can provide information in a more rapid and precise manner. As there were no differences in the ovitraps distributions patterns, the ovitraps can be installed in the peridomicile area, with 2 traps per surveillance point and 1 pallet per trap, making their installation easier and more cost-efficient, facilitating the work of health agents in future surveillances complementing LIRAa's actions for efficient monitoring.
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Affiliation(s)
- Kauani Larissa Campana Nascimento
- Programa de Pós-graduação em Ciências Biológicas, Departamento de Biologia Animal e Vegetal, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - João Fernando Marques da Silva
- Departamento de Biologia Animal e Vegetal, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - João Antonio Cyrino Zequi
- Departamento de Biologia Animal e Vegetal, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - José Lopes
- Departamento de Biologia Animal e Vegetal, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
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18
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Pezzi L, Diallo M, Rosa-Freitas MG, Vega-Rua A, Ng LFP, Boyer S, Drexler JF, Vasilakis N, Lourenco-de-Oliveira R, Weaver SC, Kohl A, de Lamballerie X, Failloux AB. GloPID-R report on chikungunya, o'nyong-nyong and Mayaro virus, part 5: Entomological aspects. Antiviral Res 2019; 174:104670. [PMID: 31812638 DOI: 10.1016/j.antiviral.2019.104670] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 11/28/2019] [Indexed: 10/25/2022]
Abstract
The GloPID-R (Global Research Collaboration for Infectious Disease Preparedness) chikungunya (CHIKV), o'nyong-nyong (ONNV) and Mayaro virus (MAYV) Working Group has been established to investigate natural history, epidemiology and clinical aspects of infection by these viruses. Here, we present a report dedicated to entomological aspects of CHIKV, ONNV and MAYV. Recent global expansion of chikungunya virus has been possible because CHIKV established a transmission cycle in urban settings using anthropophilic vectors such as Aedes albopictus and Aedes aegypti. MAYV and ONNV have a more limited geographic distribution, being confined to Africa (ONNV) and central-southern America (MAYV). ONNV is probably maintained through an enzootic cycle that has not been characterized yet, with Anopheles species as main vectors and humans as amplification hosts during epidemics. MAYV is transmitted by Haemagogus species in an enzootic cycle using non-human primates as the main amplification and maintenance hosts, and humans becoming sporadically infected when venturing in or nearby forest habitats. Here, we focused on the transmission cycle and natural vectors that sustain circulation of these viruses in their respective locations. The knowledge of the natural ecology of transmission and the capacity of different vectors to transmit these viruses is crucial to understand CHIKV emergence, and to assess the risk that MAYV and ONNV will expand on wide scale using anthropophilic mosquito species not normally considered primary vectors. Finally, the experts identified knowledge gaps and provided adapted recommendations, in order to address future entomological investigations in the right direction.
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Affiliation(s)
- L Pezzi
- Unité des Virus Émergents (UVE: Aix-Marseille Univ-IRD 190-Inserm 1207-IHU Méditerranée Infection), Marseille, France; EA7310, Laboratoire de Virologie, Université de Corse-Inserm, Corte, France.
| | - M Diallo
- Unité d'Entomologie Médicale, Institut Pasteur de Dakar, Dakar, Senegal
| | - M G Rosa-Freitas
- Instituto Oswaldo Cruz-Fiocruz, Laboratório de Mosquitos Transmissores de Hematozoários, Rio de Janeiro, Brazil
| | - A Vega-Rua
- Laboratory of Vector Control Research, Environment and Health Unit, Institut Pasteur de la Guadeloupe, Guadeloupe
| | - L F P Ng
- Singapore Immunology Network, Agency for Science, Technology and Research (A*STAR), Singapore
| | - S Boyer
- Medical Entomology Platform, Institut Pasteur du Cambodge, Phnom Penh, Cambodia
| | - J F Drexler
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Virology, 10117, Berlin, Germany; German Centre for Infection Research (DZIF), Germany
| | - N Vasilakis
- Department of Pathology, Institute of Human Infection and Immunity, University of Texas Medical Branch, Galveston, USA
| | - R Lourenco-de-Oliveira
- Instituto Oswaldo Cruz-Fiocruz, Laboratório de Mosquitos Transmissores de Hematozoários, Rio de Janeiro, Brazil
| | - S C Weaver
- Institute for Human Infections and Immunity and Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, USA
| | - A Kohl
- MRC-University of Glasgow Centre for Virus Research, Glasgow, UK
| | - X de Lamballerie
- Unité des Virus Émergents (UVE: Aix-Marseille Univ-IRD 190-Inserm 1207-IHU Méditerranée Infection), Marseille, France
| | - A-B Failloux
- Department of Virology, Institut Pasteur, Arboviruses and Insect Vectors Unit, Paris, France
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19
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Galan-Huerta KA, Zomosa-Signoret VC, Vidaltamayo R, Caballero-Sosa S, Fernández-Salas I, Ramos-Jiménez J, Rivas-Estilla AM. Genetic Variability of Chikungunya Virus in Southern Mexico. Viruses 2019; 11:v11080714. [PMID: 31387277 PMCID: PMC6722872 DOI: 10.3390/v11080714] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 07/23/2019] [Accepted: 07/23/2019] [Indexed: 11/16/2022] Open
Abstract
Chikungunya virus (CHIKV) is a mosquito-borne alphavirus that causes Chikungunya fever. CHIKV entered Mexico through the state of Chiapas in October 2014. To fully understand the Chikungunya fever outbreak that occurred in southern Chiapas during 2015, we evaluated 22 PCR-confirmed CHIKV-positive patients, identified CHIKV genetic variability, reconstructed viral dispersal, and assessed possible viral mutations. Viruses were isolated and E2, 6K, and E1 genes were sequenced. We applied phylogenetic and phylogeographic approaches, modeled mutations, and estimated selective pressure. Different CHIKV strains circulated in Chiapas during summer 2015. Three isolates grouped themselves in a well-supported clade. Estimates show that the outbreak started in Ciudad Hidalgo and posteriorly dispersed towards Tapachula and neighboring municipalities. We found six non-synonymous mutations in our isolates. Two mutations occurred in one isolate and the remaining mutations occurred in single isolates. Mutations E2 T116I and E2 K221R changed the protein surface in contact with the host cell receptors. We could not find positive selected sites in our CHIKV sequences from southern Chiapas. This is the first viral phylogeographic reconstruction in Mexico characterizing the CHIKV outbreak in southern Chiapas.
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Affiliation(s)
- Kame A Galan-Huerta
- Departamento de Bioquímica y Medicina Molecular, Facultad de Medicina, Universidad Autónoma de Nuevo Leon, Av. Francisco I. Madero S/N, Mitras Centro, Monterrey, Nuevo Leon 64460, Mexico
| | - Viviana C Zomosa-Signoret
- Departamento de Bioquímica y Medicina Molecular, Facultad de Medicina, Universidad Autónoma de Nuevo Leon, Av. Francisco I. Madero S/N, Mitras Centro, Monterrey, Nuevo Leon 64460, Mexico
| | - Román Vidaltamayo
- Departamento de Ciencias Básicas. Escuela de Medicina, Universidad de Monterrey, Av. Morones Prieto No. 4500 pte, San Pedro Garza García, Nuevo Leon 64238, Mexico
| | - Sandra Caballero-Sosa
- Clínica Hospital Dr. Roberto Nettel Flores, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Av. Tuxtepec y Oaxaca S/N, Francisco Villa, Tapachula, Chiapas 30740, Mexico
| | - Ildefonso Fernández-Salas
- Centro Regional de Investigación en Salud Publica, Instituto Nacional de Salud Publica 4a Avenida Norte, esquina con calle 19 poniente S/N, Centro, Tapachula, Chiapas 30700, Mexico
- Facultad de Ciencias Biologicas, Universidad Autonoma de Nuevo Leon, Av. Pedro de Alba S/N, Ciudad Universitaria, San Nicolas de los Garza, Nuevo Leon 66455, Mexico
| | - Javier Ramos-Jiménez
- Servicio de Infectologia-Hospital Universitario Dr. Jose Eleuterio Gonzalez, Facultad de Medicina, Universidad Autonoma de Nuevo Leon, Av. Francisco I. Madero and Eduardo Aguirre Pequeño S/N, Mitras Centro, Monterrey, Nuevo Leon 64460, Mexico
| | - Ana M Rivas-Estilla
- Departamento de Bioquímica y Medicina Molecular, Facultad de Medicina, Universidad Autónoma de Nuevo Leon, Av. Francisco I. Madero S/N, Mitras Centro, Monterrey, Nuevo Leon 64460, Mexico.
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20
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Barrera R, Amador M, Acevedo V, Beltran M, Muñoz JL. A comparison of mosquito densities, weather and infection rates of Aedes aegypti during the first epidemics of Chikungunya (2014) and Zika (2016) in areas with and without vector control in Puerto Rico. MEDICAL AND VETERINARY ENTOMOLOGY 2019; 33:68-77. [PMID: 30225842 PMCID: PMC6378603 DOI: 10.1111/mve.12338] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 05/25/2018] [Accepted: 07/26/2018] [Indexed: 05/25/2023]
Abstract
In Puerto Rico, the first records of the transmission of Chikungunya (CHIKV) and Zika (ZIKV) viruses were confirmed in May 2014 and December 2015, respectively. Transmission of CHIKV peaked in September 2014, whereas that of ZIKV peaked in August 2016. The emergence of these mosquito-transmitted arboviruses in the context of a lack of human population immunity allowed observations of whether the outbreaks were associated with Aedes aegypti (Diptera: Culicidae) densities and weather. Mosquito density was monitored weekly in four communities using sentinel autocidal gravid ovitraps (AGO traps) during 2016 in order to provide data to be compared with the findings of a previous study carried out during the 2014 CHIKV epidemic. Findings in two communities protected against Ae. aegypti using mass AGO trapping (three traps per house in most houses) were compared with those in two nearby communities without vector control. Mosquito pools were collected to detect viral RNA of ZIKV, CHIKV and dengue virus. In areas without vector control, mosquito densities and rates of ZIKV detection in 2016 were significantly higher, similarly to those observed for CHIKV in 2014. The density of Ae. aegypti in treated sites was less than two females/trap/week, which is similar to the putative adult female threshold for CHIKV transmission. No significant differences in mosquito density or infection rates with ZIKV and CHIKV at the same sites between years were observed. Although 2016 was significantly wetter, mosquito densities were similar.
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Affiliation(s)
- R. Barrera
- Entomology and Ecology Team, Dengue BranchCenters for Disease Control and PreventionSan JuanPuerto Rico
| | - M. Amador
- Entomology and Ecology Team, Dengue BranchCenters for Disease Control and PreventionSan JuanPuerto Rico
| | - V. Acevedo
- Entomology and Ecology Team, Dengue BranchCenters for Disease Control and PreventionSan JuanPuerto Rico
| | - M. Beltran
- Molecular Diagnostic Laboratory, Dengue BranchCenters for Disease Control and PreventionSan JuanPuerto Rico
| | - J. L. Muñoz
- Molecular Diagnostic Laboratory, Dengue BranchCenters for Disease Control and PreventionSan JuanPuerto Rico
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21
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Murillo-Zamora E, Medina-González A, Trujillo-Hernández B, Mendoza-Cano O, Guzmán-Esquivel J, Higareda-Almaraz MA, Higareda-Almaraz E. Clinical markers associated with acute laboratory-confirmed Dengue infection: results of a national epidemiological surveillance system. Rev Salud Publica (Bogota) 2018; 19:744-748. [PMID: 30183825 DOI: 10.15446/rsap.v19n6.61823] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 07/13/2017] [Indexed: 11/09/2022] Open
Abstract
OBJECTIVE To evaluate the association of several clinical markers with acute laboratory-positive Dengue Virus infection. METHODS A hospital-based case-control study was conducted in the state of Colima, Mexico, by using information from the National System of Epidemiological Surveillance (Sistema Nacional de Vigilancia Epidemiológica [SINAVE]) for Dengue. Data from 2 732 cases and 2 775 frequency-matched controls were analyzed. Odds Ratio (OR) and the 95 % Confidence Interval (CI), estimated by means of logistic regression models, were used. RESULTS The presence of skin rash (OR=1,7; 95 % CI 1,5-2,1), persisting vomiting (OR=1,8; 95 % CI 1,5-2,3) and increased capillary fragility (petechiae, ecchymosis, hematoma or positive tourniquet test; OR=1,8; 95 % CI 1,2-2,6) were associated with laboratory-positive infection. CONCLUSIONS Three clinical markers were significantly associated with an increased risk of acute laboratory-confirmed dengue infection. These findings would support accurate and timely diagnosis of dengue in laboratory-limited settings.
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Affiliation(s)
- Efrén Murillo-Zamora
- EM: MD. M. Sc. Ciencias de la Salud. Instituto Mexicano del Seguro Social, Unidad de Medicina Familiar No. 19, Departamento de Epidemiología. Colima, Colima, México.
| | - Alfredo Medina-González
- AM: MD. Instituto Mexicano del Seguro Social, Jefatura de Servicios de Prestaciones Médicas. Colima, Colima, México.
| | - Benjamín Trujillo-Hernández
- BT: MD. M. Sc. Ciencias Médicas, Ph. D. Ciencias Médicas. Universidad de Colima, Facultad de Medicina. Colima, Colima, México.
| | - Oliver Mendoza-Cano
- OM: Ing. Químico Metalúrgico. M. Sc. Ciencias en Ingeniería Industrial. Ph. D. Ciencias Médicas. Harvard University. T.H. Chan School of Public Health, Center for Health and the Global Environment. Boston, MA, USA. Universidad de Colima, Facultad de Ingeniería Civil. Coquimatlán, Colima, México.
| | - José Guzmán-Esquivel
- JG: MD. M. Sc. Ciencias Médicas, Ph. D. Ciencias Médicas. Instituto Mexicano del Seguro Social, Unidad de Investigación en Epidemiología Clínica. Colima, Colima, México.
| | - Martha A Higareda-Almaraz
- MH: MD. M. Sc. Ciencias Médicas, Ph. D. Ciencias Médicas. Instituto Mexicano del Seguro Social, Jefatura de Servicios de Prestaciones Médicas. México.
| | - Enrique Higareda-Almaraz
- EH: MD. M. Sc. Ciencias Médicas, Ph. D. Ciencias Médicas. Instituto Mexicano del Seguro Social, Jefatura de Servicios de Prestaciones Médicas. México.
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22
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Felix GE, Barrera R, Vazquez J, Ryff KR, Munoz-Jordan JL, Matias KY, Hemme RR. Entomological Investigation of Aedes aegypti In Neighborhoods With Confirmed Human Arbovirus Infection In Puerto Rico. JOURNAL OF THE AMERICAN MOSQUITO CONTROL ASSOCIATION 2018; 34:233-236. [PMID: 31442166 PMCID: PMC7052820 DOI: 10.2987/18-6741.1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
The exotic arboviruses chikungunya (CHIKV) and Zika (ZIKV) recently caused large outbreaks and continue to circulate in Puerto Rico, prompting entomological investigations at 9 locations with confirmed CHIKV- or ZIKV-infected human cases. Adult mosquitoes were collected using the Centers for Disease Control and Prevention autocidal gravid ovitraps over a 14-day period at each site. Mean female Aedes aegypti captured per trap-week ranged from 13.47 per trap-week to 1.27 per trap-week. Arbovirus-positive pools were detected at 7 of the 9 sampling sites. We investigated vertical transmission by collecting Ae. aegypti eggs in a single location where ZIKV was found in adult mosquitoes. We discuss the relationship between vector density and infection rates and its implications for determining mosquito density thresholds of novel invasive arboviruses such as CHIKV and ZIKV.
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Affiliation(s)
- Gilberto E Felix
- Centers for Disease Control and Prevention, Dengue Branch, San Juan, PR 00921-3200
| | - Roberto Barrera
- Centers for Disease Control and Prevention, Dengue Branch, San Juan, PR 00921-3200
| | - Jesus Vazquez
- Centers for Disease Control and Prevention, Dengue Branch, San Juan, PR 00921-3200
| | - Kyle R Ryff
- Centers for Disease Control and Prevention, Dengue Branch, San Juan, PR 00921-3200
| | - Jorge L Munoz-Jordan
- Centers for Disease Control and Prevention, Dengue Branch, San Juan, PR 00921-3200
| | - Katia Y Matias
- Centers for Disease Control and Prevention, Dengue Branch, San Juan, PR 00921-3200
| | - Ryan R Hemme
- Centers for Disease Control and Prevention, Dengue Branch, San Juan, PR 00921-3200
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Marina CF, Bond JG, Muñoz J, Valle J, Quiroz-Martínez H, Torres-Monzón JA, Williams T. Efficacy of larvicides for the control of dengue, Zika, and chikungunya vectors in an urban cemetery in southern Mexico. Parasitol Res 2018; 117:1941-1952. [PMID: 29713901 DOI: 10.1007/s00436-018-5891-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 04/23/2018] [Indexed: 12/20/2022]
Abstract
Many countries in Latin America have recently experienced outbreaks of Zika and chikungunya fever, in additional to the usual burden imposed by dengue, all of which are transmitted by Aedes aegypti in this region. To identify potential larvicides, we determined the toxicity of eight modern insecticides to A. aegypti larvae from a colony that originated from field-collected insects in southern Mexico. The most toxic compounds were pyriproxyfen (which prevented adult emergence) and λ-cyhalothrin, followed by spinetoram, imidacloprid, thiamethoxam, and acetamiprid, with chlorantraniliprole and spiromesifen the least toxic products. Field trails performed in an urban cemetery during a chikungunya epidemic revealed that insecticide-treated ovitraps were completely protected from the presence of Aedes larvae and pupae for 6 and 7 weeks in spinosad (Natular G30) and λ-cyhalothrin-treated traps in both seasons, respectively, compared to 5-6 weeks for temephos granule-treated ovitraps, but was variable for pyriproxyfen-treated ovitraps with and 1 and 5 weeks of absolute control in the dry and rainy seasons, respectively. Insecticide treatments influenced the mean numbers of Aedes larvae + pupae in each ovitrap, mean numbers of eggs laid, and percentage of egg hatch over time in both trials. The dominant species was A. aegypti in both seasons, although the invasive vector Aedes albopictus was more prevalent in the rainy season (26.7%) compared to the dry season (10.2%). We conclude that the granular formulation of spinosad (Natular G30) and a suspension concentrate formulation of λ-cyhalothrin proved highly effective against Aedes spp. in both the dry and rainy seasons in the cemetery habitat in this region.
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Affiliation(s)
- Carlos F Marina
- Centro Regional de Investigación en Salud Pública - INSP, 30700, Tapachula, Chiapas, Mexico
| | - J Guillermo Bond
- Centro Regional de Investigación en Salud Pública - INSP, 30700, Tapachula, Chiapas, Mexico
| | - José Muñoz
- Centro Regional de Investigación en Salud Pública - INSP, 30700, Tapachula, Chiapas, Mexico
| | | | - Humberto Quiroz-Martínez
- Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, 66450, San Nicolás de los Garza, Nuevo León, Mexico
| | - Jorge A Torres-Monzón
- Centro Regional de Investigación en Salud Pública - INSP, 30700, Tapachula, Chiapas, Mexico
| | - Trevor Williams
- Instituto de Ecología AC (INECOL), Xalapa, 91070, Veracruz, Mexico.
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Danis-Lozano R, Díaz-González EE, Trujillo-Murillo KDC, Caballero-Sosa S, Sepúlveda-Delgado J, Malo-García IR, Canseco-Ávila LM, Salgado-Corsantes LM, Domínguez-Arrevillaga S, Torres-Zapata R, Gómez-Cruz O, Fernández-Salas I. Clinical characterization of acute and convalescent illness of confirmed chikungunya cases from Chiapas, S. Mexico: A cross sectional study. PLoS One 2017; 12:e0186923. [PMID: 29065182 PMCID: PMC5655440 DOI: 10.1371/journal.pone.0186923] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Accepted: 10/10/2017] [Indexed: 01/06/2023] Open
Abstract
Background The emerging chikungunya virus (CHIKV), is an arbovirus causing intense outbreaks in North America. The situation in Mexico is alarming, and CHIKV threatens to spread further throughout North America. Clinical and biological features of CHIKF outbreaks in Mexico have not been well described; thus, we conducted a cross sectional study of a CHIKV outbreak in Chiapas, Southern Mexico to further characterize these features. Methodology/Principal findings We collected blood samples from patients suspected of having chikungunya fever (CHIKF) who presented to Clinical Hospital ISSSTE Dr. Roberto Nettel in Tapachula, Chiapas, Mexico. In addition to the clinical examination, real-time polymerase chain reaction (PCR) standardized for the Asian Chikungunya lineage and/or enzyme-linked immunosorbent assay for immunoglobulin M (IgM) were used to confirm CHIKV diagnosis. Of a total of 850 patients who presented with probably CHIKV at Hospital “Dr. Roberto Nettel”, 112 probable CHIKF cases were enrolled in this study from November 2014- June 2015, of which 95 patients (84.8%) were CHIKV positive and 17 were negative (15.2%). Of these 95 CHIKV positive patients, 62 were positive by real-time reverse transcriptase PCR (+qRT-PCR); and 33 were seropositive to +IgM with a negative qRT-PCR. The most frequent symptoms reported were fever (100%), headache (82.3%), polyarthralgia (72.1%), and exanthem (82.3%). Biological abnormalities observed during CHIKV infection were lymphopenia (41.1%), leukopenia (51.6%), elevated transaminases (30.5%-46.3%) and high LDH (46.3%) and CRP (60.0%). Conclusion Clinical and biological data obtained from this study is providing more useful information for benchmarking purposes with outbreaks from different parts of the world and would be helpful for better patient care and treatment.
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Affiliation(s)
- Rogelio Danis-Lozano
- Centro Regional de Investigación en Salud Pública, Instituto Nacional de Salud Pública, Tapachula, Chiapas, México
| | - Esteban Eduardo Díaz-González
- Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, San Nicolás de los Garza, Nuevo León, México
- Centro de Investigación y Desarrollo en Ciencias de la Salud, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
| | - Karina del Carmen Trujillo-Murillo
- Hospital Regional de Alta Especialidad “Ciudad Salud”, Secretaría de Salud, Tapachula, Chiapas, México
- Facultad de Ciencias Químicas, Universidad Autónoma de Chiapas, Tapachula, Chiapas, México
| | - Sandra Caballero-Sosa
- Clínica Hospital “Dr. Roberto Nettel”, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Tapachula, Chiapas, México
| | - Jesús Sepúlveda-Delgado
- Hospital Regional de Alta Especialidad “Ciudad Salud”, Secretaría de Salud, Tapachula, Chiapas, México
| | - Iliana Rosalía Malo-García
- Centro Regional de Investigación en Salud Pública, Instituto Nacional de Salud Pública, Tapachula, Chiapas, México
| | - Luis Miguel Canseco-Ávila
- Hospital Regional de Alta Especialidad “Ciudad Salud”, Secretaría de Salud, Tapachula, Chiapas, México
- Facultad de Ciencias Químicas, Universidad Autónoma de Chiapas, Tapachula, Chiapas, México
| | - Luis Manuel Salgado-Corsantes
- Clínica Hospital “Dr. Roberto Nettel”, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Tapachula, Chiapas, México
| | - Sergio Domínguez-Arrevillaga
- Hospital Regional de Alta Especialidad “Ciudad Salud”, Secretaría de Salud, Tapachula, Chiapas, México
- Facultad de Ciencias Químicas, Universidad Autónoma de Chiapas, Tapachula, Chiapas, México
| | - Raúl Torres-Zapata
- Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, San Nicolás de los Garza, Nuevo León, México
| | - Omar Gómez-Cruz
- Hospital Regional de Alta Especialidad “Ciudad Salud”, Secretaría de Salud, Tapachula, Chiapas, México
| | - Ildefonso Fernández-Salas
- Centro Regional de Investigación en Salud Pública, Instituto Nacional de Salud Pública, Tapachula, Chiapas, México
- Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, San Nicolás de los Garza, Nuevo León, México
- Centro de Investigación y Desarrollo en Ciencias de la Salud, Universidad Autónoma de Nuevo León, Monterrey, Nuevo León, México
- * E-mail:
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Costa-da-Silva AL, Ioshino RS, Petersen V, Lima AF, Cunha MDP, Wiley MR, Ladner JT, Prieto K, Palacios G, Costa DD, Suesdek L, Zanotto PMDA, Capurro ML. First report of naturally infected Aedes aegypti with chikungunya virus genotype ECSA in the Americas. PLoS Negl Trop Dis 2017; 11:e0005630. [PMID: 28614394 PMCID: PMC5470658 DOI: 10.1371/journal.pntd.0005630] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 05/09/2017] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND The worldwide expansion of new emergent arboviruses such as Chikungunya and Zika reinforces the importance in understanding the role of mosquito species in spreading these pathogens in affected regions. This knowledge is essential for developing effective programs based on species specificity to avoid the establishment of endemic transmission cycles sustained by the identified local vectors. Although the first autochthonous transmission of Chikungunya virus was described in 2014 in the north of Brazil, the main outbreaks were reported in 2015 and 2016 in the northeast of Brazil. METHODOLOGY/PRINCIPAL FINDINGS During 5 days of February 2016, we collected mosquitoes in homes of 6 neighborhoods of Aracaju city, the capital of Sergipe state. Four mosquito species were identified but Culex quinquefasciatus and Aedes aegypti were the most abundant. Field-caught mosquitoes were tested for Chikungunya (CHIKV), Zika (ZIKV) and Dengue viruses (DENV) by qRT-PCR and one CHIKV-infected Ae. aegypti female was detected. The complete sequence of CHIKV genome was obtained from this sample and phylogenetic analysis revealed that this isolate belongs to the East-Central-South-African (ECSA) genotype. CONCLUSIONS Our study describes the first identification of a naturally CHIKV-infected Ae. aegypti in Brazil and the first report of a CHIKV from ECSA genotype identified in this species in the Americas. These findings support the notion of Ae. aegypti being a vector involved in CHIKV outbreaks in northeast of Brazil.
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Affiliation(s)
- André Luis Costa-da-Silva
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, Brasil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular, INCT-EM, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rafaella Sayuri Ioshino
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, Brasil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular, INCT-EM, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Vivian Petersen
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, Brasil
- Laboratório de Parasitologia, Instituto Butantan, São Paulo, Brazil
| | | | | | - Michael R. Wiley
- Center for Genome Sciences, United States Army Medical Research Institute of Infectious Diseases, Frederick, Maryland, United States of America
| | - Jason T. Ladner
- Center for Genome Sciences, United States Army Medical Research Institute of Infectious Diseases, Frederick, Maryland, United States of America
| | - Karla Prieto
- Center for Genome Sciences, United States Army Medical Research Institute of Infectious Diseases, Frederick, Maryland, United States of America
| | - Gustavo Palacios
- Center for Genome Sciences, United States Army Medical Research Institute of Infectious Diseases, Frederick, Maryland, United States of America
| | | | - Lincoln Suesdek
- Laboratório de Parasitologia, Instituto Butantan, São Paulo, Brazil
- Programa de Pós-graduação do Instituto de Medicina Tropical, Universidade de São Paulo, SP, Brasil
| | | | - Margareth Lara Capurro
- Departamento de Parasitologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, Brasil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular, INCT-EM, Rio de Janeiro, Rio de Janeiro, Brazil
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26
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Barrera R, Acevedo V, Felix GE, Hemme RR, Vazquez J, Munoz JL, Amador M. Impact of Autocidal Gravid Ovitraps on Chikungunya Virus Incidence in Aedes aegypti (Diptera: Culicidae) in Areas With and Without Traps. JOURNAL OF MEDICAL ENTOMOLOGY 2017; 54:387-395. [PMID: 28031347 PMCID: PMC6505457 DOI: 10.1093/jme/tjw187] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 10/06/2016] [Indexed: 05/07/2023]
Abstract
Puerto Rico detected the first confirmed case of chikungunya virus (CHIKV) in May 2014 and the virus rapidly spread throughout the island. The invasion of CHIKV allowed us to observe Aedes aegypti (L.) densities, infection rates, and impact of vector control in urban areas using CDC autocidal gravid ovitraps (AGO traps) for mosquito control over several years. Because local mosquitoes can only get the virus from infectious residents, detecting the presence of virus in mosquitoes functions as a proxy for the presence of virus in people. We monitored the incidence of CHIKV in gravid females of Ae. aegypti in four neighborhoods-two with three AGO traps per home in most homes and two nearby neighborhoods without AGO mosquito control traps. Monitoring of mosquito density took place weekly using sentinel AGO traps from June to December 2014. In all, 1,334 pools of female Ae. aegypti (23,329 individuals) were processed by real-time reverse transcription PCR to identify CHIKV and DENV RNA. Density of Ae. aegypti females was 10.5 times lower (91%) in the two areas with AGO control traps during the study. Ten times (90.9%) more CHIKV-positive pools were identified in the nonintervention areas (50/55 pools) than in intervention areas (5/55). We found a significant linear relationship between the number of positive pools and both density of Ae. aegypti and vector index (average number of expected infected mosquitoes per trap per week). Temporal and spatial patterns of positive CHIKV pools suggested limited virus circulation in areas with AGO traps.
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Affiliation(s)
- Roberto Barrera
- Entomology and Ecology Activity, Dengue Branch, Centers for Disease Control and Prevention, San Juan, Puerto Rico (; ; ; ; )
| | - Veronica Acevedo
- Entomology and Ecology Activity, Dengue Branch, Centers for Disease Control and Prevention, San Juan, Puerto Rico (; ; ; ; )
| | - Gilberto E Felix
- Entomology and Ecology Activity, Dengue Branch, Centers for Disease Control and Prevention, San Juan, Puerto Rico (; ; ; ; )
| | - Ryan R Hemme
- Entomology and Ecology Activity, Dengue Branch, Centers for Disease Control and Prevention, San Juan, Puerto Rico (; ; ; ; )
| | - Jesus Vazquez
- Molecular Diagnostic Laboratory, Dengue Branch, Centers for Disease Control and Prevention, San Juan, Puerto Rico (; )
| | - Jorge L Munoz
- Molecular Diagnostic Laboratory, Dengue Branch, Centers for Disease Control and Prevention, San Juan, Puerto Rico (; )
| | - Manuel Amador
- Entomology and Ecology Activity, Dengue Branch, Centers for Disease Control and Prevention, San Juan, Puerto Rico (; ; ; ; )
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27
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Carrera JP, Díaz Y, Denis B, Barahona de Mosca I, Rodriguez D, Cedeño I, Arauz D, González P, Cerezo L, Moreno L, García L, Sáenz LE, Atencio MA, Rojas-Fermin E, Vizcaino F, Perez N, Moreno B, López-Vergès S, Valderrama A, Armién B. Unusual pattern of chikungunya virus epidemic in the Americas, the Panamanian experience. PLoS Negl Trop Dis 2017; 11:e0005338. [PMID: 28222127 PMCID: PMC5336303 DOI: 10.1371/journal.pntd.0005338] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Revised: 03/03/2017] [Accepted: 01/18/2017] [Indexed: 12/27/2022] Open
Abstract
Background Chikungunya virus (CHIKV) typically causes explosive epidemics of fever, rash and polyarthralgia after its introduction into naïve populations. Since its introduction in Panama in May of 2014, few autochthonous cases have been reported; most of them were found within limited outbreaks in Panama City in 2014 and Puerto Obaldia town, near the Caribbean border with Colombia in 2015. In order to confirm that Panama had few CHIKV cases compared with neighboring countries, we perform an epidemiological analysis of chikungunya cases reported from May 2014 to July 2015. Moreover, to understand this paucity of confirmed CHIKV cases, a vectorial analysis in the counties where these cases were reported was performed. Methods Chikungunya cases were identified at medical centers and notified to health authorities. Sera samples were analyzed at Gorgas Memorial Institute for viral RNA and CHIKV-specific antibody detection. Results A total of 413 suspected cases of CHIKV infections were reported, with incidence rates of 0.5 and 0.7 per 100,000 inhabitants in 2014 and 2015, respectively. During this period, 38.6% of CHIKV cases were autochthonous with rash and polyarthralgia as predominant symptoms. CHIKV and DENV incidence ratios were 1:306 and 1:34, respectively. A phylogenetic analysis of E1/E2 genomic segment indicates that the outbreak strains belong to the Asian genotype and cluster together with CHIKV isolates from other American countries during the same period. Statistical analysis of the National Vector Control program at the district level shows low and medium vector infestation level for most of the counties with CHIKV cases. This index was lower than for neighboring countries. Conclusions Previous training of clinical, laboratory and vector workers allowed a good caption and detection of the chikungunya cases and fast intervention. It is possible that low/medium vector infestation level could explain in part the paucity of chikungunya infections in Panama. Chikungunya virus (CHIKV) is a mosquito borne pathogen that causes fever with rash and arthralgia, which are often confused with Dengue virus (DENV) infections. It has been reported that when CHIKV colonizes regions without previous circulation, it generally results in explosive human epidemics. In Panama, the first CHIKV infections were detected in May 2014. However, unlike many countries in the Americas, Panama presented with few autochthonous cases during the outbreak. In this study, we investigated the likely reason for the paucity of cases. Low vector infestation level, along with the surveillance programs, preparedness and early outbreak response possibly influenced the low number of cases observed during the Panamanian CHIKV outbreak.
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Affiliation(s)
- Jean-Paul Carrera
- Department of Research in Virology and Biotechnology, Gorgas Memorial Institute of Health Studies; Panama City, Panama
- Department of Pre-clinical Sciences, School of Medicine, Columbus University; Panama City, Panama
| | - Yamilka Díaz
- Department of Research in Virology and Biotechnology, Gorgas Memorial Institute of Health Studies; Panama City, Panama
| | - Bernardino Denis
- Department of Research in Emerging and Zoonotic Diseases, Gorgas Memorial Institute of Health Studies; Panama City, Panama
| | | | - Dennys Rodriguez
- National Department of Epidemiology, Ministry of Health; Panama City, Panama
| | - Israel Cedeño
- National Department of Epidemiology, Ministry of Health; Panama City, Panama
| | - Dimelza Arauz
- Department of Research in Virology and Biotechnology, Gorgas Memorial Institute of Health Studies; Panama City, Panama
| | - Publio González
- Department of Research in Emerging and Zoonotic Diseases, Gorgas Memorial Institute of Health Studies; Panama City, Panama
| | - Lizbeth Cerezo
- National Department of Epidemiology, Ministry of Health; Panama City, Panama
| | - Lourdes Moreno
- National Department of Epidemiology, Ministry of Health; Panama City, Panama
| | - Lourdes García
- National Department of Epidemiology, Ministry of Health; Panama City, Panama
| | - Lisseth E. Sáenz
- Department of Research in Virology and Biotechnology, Gorgas Memorial Institute of Health Studies; Panama City, Panama
| | - María Aneth Atencio
- Immunovirology section, Public Health Reference Laboratory, Gorgas Memorial Institute of Health Studies; Panama City, Panama
| | - Eddy Rojas-Fermin
- Department of Pre-clinical Sciences, School of Medicine, Columbus University; Panama City, Panama
| | - Fernando Vizcaino
- Vector-Control National Department, Ministry of Health; Panama City, Panama
| | | | - Brechla Moreno
- Department of Research in Virology and Biotechnology, Gorgas Memorial Institute of Health Studies; Panama City, Panama
| | - Sandra López-Vergès
- Department of Research in Virology and Biotechnology, Gorgas Memorial Institute of Health Studies; Panama City, Panama
| | - Anayansi Valderrama
- Department of Research in Medical Entomology, Gorgas Memorial Institute of Health Studies; Panama City, Panama
| | - Blas Armién
- Department of Research in Emerging and Zoonotic Diseases, Gorgas Memorial Institute of Health Studies; Panama City, Panama
- Research Direction, Universidad Interamericana de Panama; Panama City, Panama
- * E-mail:
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Comprehensive Genome Scale Phylogenetic Study Provides New Insights on the Global Expansion of Chikungunya Virus. J Virol 2016; 90:10600-10611. [PMID: 27654297 DOI: 10.1128/jvi.01166-16] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 09/01/2016] [Indexed: 12/24/2022] Open
Abstract
Since the India and Indian Ocean outbreaks of 2005 and 2006, the global distribution of chikungunya virus (CHIKV) and the locations of epidemics have dramatically shifted. First, the Indian Ocean lineage (IOL) caused sustained epidemics in India and has radiated to many other countries. Second, the Asian lineage has caused frequent outbreaks in the Pacific islands and in 2013 was introduced into the Caribbean, followed by rapid spread to nearly all of the neotropics. Further, CHIKV epidemics, as well as exported cases, have been reported in central Africa after a long period of perceived silence. To understand these changes and to anticipate the future of the virus, the exact distribution, genetic diversity, transmission routes, and future epidemic potential of CHIKV require further assessment. To do so, we conducted the most comprehensive phylogenetic analysis to date, examined CHIKV evolution and transmission, and explored distinct genetic factors associated with the emergence of the East/Central/South African (ECSA) lineage, the IOL, and the Asian lineage. Our results reveal contrasting evolutionary patterns among the lineages, with growing genetic diversities observed in each, and suggest that CHIKV will continue to be a major public health threat with the potential for further emergence and spread. IMPORTANCE Chikungunya fever is a reemerging infectious disease that is transmitted by Aedes mosquitoes and causes severe health and economic burdens in affected populations. Since the unprecedented Indian Ocean and Indian subcontinent outbreaks of 2005 and 2006, CHIKV has further expanded its geographic range, including to the Americas in 2013. Its evolution and transmission during and following these epidemics, as well as the recent evolution and spread of other lineages, require optimal assessment. Using newly obtained genome sequences, we provide a comprehensive update of the global distribution of CHIKV genetic diversity and analyze factors associated with recent outbreaks. These results provide a solid foundation for future evolutionary studies of CHIKV that can elucidate emergence mechanisms and also may help to predict future epidemics.
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29
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Cigarroa-Toledo N, Blitvich BJ, Cetina-Trejo RC, Talavera-Aguilar LG, Baak-Baak CM, Torres-Chablé OM, Hamid MN, Friedberg I, González-Martinez P, Alonzo-Salomon G, Rosado-Paredes EP, Rivero-Cárdenas N, Reyes-Solis GC, Farfan-Ale JA, Garcia-Rejon JE, Machain-Williams C. Chikungunya Virus in Febrile Humans and Aedes aegypti Mosquitoes, Yucatan, Mexico. Emerg Infect Dis 2016; 22:1804-7. [PMID: 27347760 PMCID: PMC5038406 DOI: 10.3201/eid2210.152087] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Chikungunya virus (CHIKV) was isolated from 12 febrile humans in Yucatan, Mexico, in 2015. One patient was co-infected with dengue virus type 1. Two additional CHIKV isolates were obtained from Aedes aegypti mosquitoes collected in the homes of patients. Phylogenetic analysis showed that the CHIKV isolates belong to the Asian lineage.
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30
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Guerbois M, Fernandez-Salas I, Azar SR, Danis-Lozano R, Alpuche-Aranda CM, Leal G, Garcia-Malo IR, Diaz-Gonzalez EE, Casas-Martinez M, Rossi SL, Del Río-Galván SL, Sanchez-Casas RM, Roundy CM, Wood TG, Widen SG, Vasilakis N, Weaver SC. Outbreak of Zika Virus Infection, Chiapas State, Mexico, 2015, and First Confirmed Transmission by Aedes aegypti Mosquitoes in the Americas. J Infect Dis 2016; 214:1349-1356. [PMID: 27436433 DOI: 10.1093/infdis/jiw302] [Citation(s) in RCA: 153] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 07/13/2016] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND After decades of obscurity, Zika virus (ZIKV) has spread through the Americas since 2015 accompanied by congenital microcephaly and Guillain-Barré syndrome. Although these epidemics presumably involve transmission by Aedes aegypti, no direct evidence of vector involvement has been reported, prompting speculation that other mosquitoes such as Culex quinquefasciatus could be involved. METHODS We detected an outbreak of ZIKV infection in southern Mexico in late 2015. Sera from suspected ZIKV-infected patients were analyzed for viral RNA and antibodies. Mosquitoes were collected in and around patient homes and tested for ZIKV. RESULTS Of 119 suspected ZIKV-infected patients, 25 (21%) were confirmed by RT-PCR of serum collected 1-8 days after the onset of signs and symptoms including rash, arthralgia, headache, pruritus, myalgia, and fever. Of 796 mosquitoes collected, A. aegypti yielded ZIKV detection by RT-PCR in 15 of 55 pools (27.3%). No ZIKV was detected in C. quinquefasciatus ZIKV sequences derived from sera and mosquitoes showed a monophyletic relationship suggestive of a point source introduction from Guatemala. CONCLUSIONS These results demonstrate the continued, rapid northward progression of ZIKV into North America with typically mild disease manifestations, and implicate A. aegypti for the first time as a principal vector in North America.
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Affiliation(s)
- Mathilde Guerbois
- Institute for Human Infections and Immunity.,Department of Microbiology and Immunology.,Department of Pathology
| | | | - Sasha R Azar
- Institute for Human Infections and Immunity.,Department of Microbiology and Immunology.,Department of Pathology
| | - Rogelio Danis-Lozano
- Centro Regional de Salud Pública, Instituto Nacional de Salud Pública, Tapachula
| | - Celia M Alpuche-Aranda
- Centro de Investigación sobre Enfermedades Infecciosas, Instituto Nacional de Salud Pública, Cuernavaca
| | - Grace Leal
- Institute for Human Infections and Immunity.,Department of Microbiology and Immunology.,Department of Pathology
| | - Iliana R Garcia-Malo
- Centro Regional de Salud Pública, Instituto Nacional de Salud Pública, Tapachula
| | - Esteban E Diaz-Gonzalez
- Centro de Investigación y Desarrollo en Ciencias de la Salud, Universidad Autónoma de Nuevo León, Monterrey.,Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, San Nicolás de los Garza
| | | | - Shannan L Rossi
- Institute for Human Infections and Immunity.,Department of Microbiology and Immunology.,Department of Pathology
| | | | - Rosa M Sanchez-Casas
- Centro de Investigación y Desarrollo en Ciencias de la Salud, Universidad Autónoma de Nuevo León, Monterrey.,Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Nuevo León, Escobedo, Mexico
| | - Christopher M Roundy
- Institute for Human Infections and Immunity.,Department of Microbiology and Immunology.,Department of Pathology
| | - Thomas G Wood
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston
| | - Steven G Widen
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston
| | - Nikos Vasilakis
- Institute for Human Infections and Immunity.,Department of Microbiology and Immunology.,Department of Pathology
| | - Scott C Weaver
- Institute for Human Infections and Immunity.,Department of Microbiology and Immunology.,Department of Pathology
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31
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Pech-May A, Moo-Llanes DA, Puerto-Avila MB, Casas M, Danis-Lozano R, Ponce G, Tun-Ku E, Pinto-Castillo JF, Villegas A, Ibáñez-Piñon CR, González C, Ramsey JM. Population genetics and ecological niche of invasive Aedes albopictus in Mexico. Acta Trop 2016; 157:30-41. [PMID: 26814619 DOI: 10.1016/j.actatropica.2016.01.021] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Revised: 01/07/2016] [Accepted: 01/20/2016] [Indexed: 11/20/2022]
Abstract
The Asian tiger mosquito Aedes albopictus (Skuse), is one of the most invasive mosquito species worldwide. In Mexico it is now recorded in 12 states and represents a serious public health problem, given the recent introduction of Chikungunya on the southern border. The aim of this study was to analyze the population genetics of A. albopictus from all major recorded foci, and model its ecological niche. Niche similarity with that from its autochthonous distribution in Asia and other invaded countries were analyzed and its potential future expansion and potential human exposure in climate change scenarios measured. We analyzed 125 sequences of a 317 bp fragment of the cyt b gene from seven A. albopictus populations across Mexico. The samples belong to 25 haplotypes with moderate population structuring (Fst=0.081, p<0.02) and population expansion. The most prevalent haplotype, found in all principal sites, was shared with the USA, Brazil, France, Madagascar, and Reunion Island. The ecological niche model using Mexican occurrence records covers 79.7% of the country, and has an 83% overlap with the Asian niche projected to Mexico. Both Neotropical and Nearctic regions are included in the Mexican niche model. Currently in Mexico, 38.6 million inhabitants are exposed to A. albopictus, which is expected to increase to 45.6 million by 2070. Genetic evidence supports collection information that A. albopictus was introduced to Mexico principally by land from the USA and Central and South America. Prevalent haplotypes from Mexico are shared with most invasive regions across the world, just as there was high niche similarity with both natural and invaded regions. The important overlap with the Asian niche model suggests a high potential for the species to disperse to sylvatic regions in Mexico.
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Affiliation(s)
- Angélica Pech-May
- Instituto Nacional de Salud Pública/Centro Regional de Investigación en Salud Pública, Tapachula, Chiapas, Mexico; Instituto Nacional de Medicina Tropical, Ministerio de Salud de la Nación, CONICET, Puerto Iguazú, Misiones, Argentina
| | - David A Moo-Llanes
- Instituto Nacional de Salud Pública/Centro Regional de Investigación en Salud Pública, Tapachula, Chiapas, Mexico
| | - María Belem Puerto-Avila
- Instituto Nacional de Salud Pública/Centro Regional de Investigación en Salud Pública, Tapachula, Chiapas, Mexico
| | - Mauricio Casas
- Instituto Nacional de Salud Pública/Centro Regional de Investigación en Salud Pública, Tapachula, Chiapas, Mexico
| | - Rogelio Danis-Lozano
- Instituto Nacional de Salud Pública/Centro Regional de Investigación en Salud Pública, Tapachula, Chiapas, Mexico
| | - Gustavo Ponce
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Biológicas, San Nicolás de los Garza, Nuevo León, Mexico
| | - Ezequiel Tun-Ku
- Instituto Nacional de Salud Pública/Centro Regional de Investigación en Salud Pública, Tapachula, Chiapas, Mexico
| | | | | | | | | | - Janine M Ramsey
- Instituto Nacional de Salud Pública/Centro Regional de Investigación en Salud Pública, Tapachula, Chiapas, Mexico.
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32
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Fernández-Salas I, Danis-Lozano R, Casas-Martínez M, Ulloa A, Bond JG, Marina CF, Lopez-Ordóñez T, Elizondo-Quiroga A, Torres-Monzón JA, Díaz-González EE. Historical inability to control Aedes aegypti as a main contributor of fast dispersal of chikungunya outbreaks in Latin America. Antiviral Res 2015; 124:30-42. [PMID: 26518229 DOI: 10.1016/j.antiviral.2015.10.015] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Revised: 10/15/2015] [Accepted: 10/16/2015] [Indexed: 11/15/2022]
Abstract
The arrival of chikungunya fever (CHIKF) in Latin American countries has been expected to trigger epidemics and challenge health systems. Historically considered as dengue-endemic countries, abundant Aedes aegypti populations make this region highly vulnerable to chikungunya virus (CHIKV) circulation. This review describes the current dengue and CHIKF epidemiological situations, as well as the role of uncontrolled Ae. aegypti and Aedes albopictus vectors in spreading the emerging CHIKV. Comments are included relating to the vector competence of both species and failures of surveillance and vector control measures. Dengue endemicity is a reflection of these abundant and persistent Aedes populations that are now spreading CHIKV in the Americas. This article forms part of a symposium in Antiviral Research on "Chikungunya discovers the New World."
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Affiliation(s)
- Ildefonso Fernández-Salas
- Instituto Nacional de Salud Pública, Centro Regional de Investigación en Salud Pública, 4ª. Avenida Norte esq., 19ª. Calle Poniente s/n, Colonia Centro, Tapachula, Chiapas, 30700, Mexico; Universidad Autónoma de Nuevo León, Centro de Investigación y Desarrollo en Ciencias de la Salud, Av. Carlos Canseco s/n, Mitras Centro, Monterrey, Nuevo León, 64460, Mexico; Universidad Autónoma de Nuevo Leon, Facultad de Ciencias Biológicas, Ave Universidad, Pedro de Alba s/n Cd. Universitaria, San Nicolás de los Garza, Nuevo Leon, 66450, Mexico.
| | - Rogelio Danis-Lozano
- Instituto Nacional de Salud Pública, Centro Regional de Investigación en Salud Pública, 4ª. Avenida Norte esq., 19ª. Calle Poniente s/n, Colonia Centro, Tapachula, Chiapas, 30700, Mexico
| | - Mauricio Casas-Martínez
- Instituto Nacional de Salud Pública, Centro Regional de Investigación en Salud Pública, 4ª. Avenida Norte esq., 19ª. Calle Poniente s/n, Colonia Centro, Tapachula, Chiapas, 30700, Mexico
| | - Armando Ulloa
- Instituto Nacional de Salud Pública, Centro Regional de Investigación en Salud Pública, 4ª. Avenida Norte esq., 19ª. Calle Poniente s/n, Colonia Centro, Tapachula, Chiapas, 30700, Mexico
| | - J Guillermo Bond
- Instituto Nacional de Salud Pública, Centro Regional de Investigación en Salud Pública, 4ª. Avenida Norte esq., 19ª. Calle Poniente s/n, Colonia Centro, Tapachula, Chiapas, 30700, Mexico
| | - Carlos F Marina
- Instituto Nacional de Salud Pública, Centro Regional de Investigación en Salud Pública, 4ª. Avenida Norte esq., 19ª. Calle Poniente s/n, Colonia Centro, Tapachula, Chiapas, 30700, Mexico
| | - Teresa Lopez-Ordóñez
- Instituto Nacional de Salud Pública, Centro Regional de Investigación en Salud Pública, 4ª. Avenida Norte esq., 19ª. Calle Poniente s/n, Colonia Centro, Tapachula, Chiapas, 30700, Mexico
| | - Armando Elizondo-Quiroga
- Cátedra CONACYT/Instituto Nacional de Salud Pública, Centro Regional de Investigación en Salud Pública, 4ª. Avenida Norte esq., 19ª. Calle Poniente s/n, Colonia Centro, Tapachula, Chiapas, 30700, Mexico
| | - Jorge A Torres-Monzón
- Instituto Nacional de Salud Pública, Centro Regional de Investigación en Salud Pública, 4ª. Avenida Norte esq., 19ª. Calle Poniente s/n, Colonia Centro, Tapachula, Chiapas, 30700, Mexico
| | - Esteban E Díaz-González
- Universidad Autónoma de Nuevo León, Centro de Investigación y Desarrollo en Ciencias de la Salud, Av. Carlos Canseco s/n, Mitras Centro, Monterrey, Nuevo León, 64460, Mexico; Universidad Autónoma de Nuevo Leon, Facultad de Ciencias Biológicas, Ave Universidad, Pedro de Alba s/n Cd. Universitaria, San Nicolás de los Garza, Nuevo Leon, 66450, Mexico
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