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Rego L, Castro‐Scholten S, Cano C, Jiménez‐Martín D, Köster PC, Caballero‐Gómez J, Bailo B, Dashti A, Hernández‐Castro C, Cano‐Terriza D, Vioque F, Maloney JG, Santín M, García‐Bocanegra I, Carmena D, González‐Barrio D. Iberian wild leporidae as hosts of zoonotic enteroparasites in Mediterranean ecosystems of Southern Spain. Zoonoses Public Health 2022; 70:223-237. [PMID: 36533513 DOI: 10.1111/zph.13018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 12/01/2022] [Accepted: 12/05/2022] [Indexed: 12/23/2022]
Abstract
Wild lagomorphs including rabbits and hares can act as natural carriers or reservoirs of bacterial and parasitic zoonotic diseases. However, little is known on the epidemiology and potential public health significance of intestinal eukaryotes in wild leporids. We examined faecal samples from European wild rabbits (Oryctolagus cuniculus, n = 438) and Iberian hares (Lepus granatensis, n = 111) collected in the Autonomous Region of Andalusia in southern Spain during 2012-2021. We searched for the presence of DNA from the main intestinal protist and microsporidial pathogens of veterinary and public health concerns using molecular methods (PCR followed by Sanger and next-generation sequencing). Giardia duodenalis was the most prevalent species found (27.8%, 153/550; 95% CI: 24.1-31.8), followed by Cryptosporidium spp. (1.3%, 7/550; 95% CI: 0.5-2.6), Blastocystis sp. (1.1%, 6/550; 95% CI: 0.4-2.4) and Encephalitozoon intestinalis (0.2%, 1/550; 95% CI: 0.0-10.1). All samples tested negative for Enterocytozoon bieneusi. Sequence analyses revealed the presence of sub-assemblage BIV (n = 1) within G. duodenalis, and Cryptosporidium cuniculus (n = 6) and Cryptosporidium andersoni (n = 1) within Cryptosporidium. The presence of ruminant-adapted C. andersoni is indicative of a potential cross-species transmission event, although a spurious infection (mechanical carriage) cannot be ruled out. Samples assigned to C. cuniculus belonged to the gp60 subtype families Va (n = 3) and Vb (n = 2). The six Blastocystis-positive samples were identified as ST2 (n = 3) and ST1 + ST2 (n = 3). Our molecular results suggest that wild rabbits and hares were primarily infected by leporid-adapted species of eukaryotic pathogens. However, the occasional findings of zoonotic G. duodenalis sub-assemblage BIV, Blastocystis sp. ST1 and ST2, and Encephalitozoon intestinalis could be of public health relevance.
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Affiliation(s)
- Laura Rego
- Parasitology Reference and Research Laboratory National Centre for Microbiology Madrid Spain
| | - Sabrina Castro‐Scholten
- Department of Animal Health, Animal Health and Zoonosis Research Group (GISAZ), UIC Zoonoses and Emerging Diseases (ENZOEM) University of Córdoba Córdoba Spain
| | - Carmen Cano
- Parasitology Reference and Research Laboratory National Centre for Microbiology Madrid Spain
| | - Débora Jiménez‐Martín
- Department of Animal Health, Animal Health and Zoonosis Research Group (GISAZ), UIC Zoonoses and Emerging Diseases (ENZOEM) University of Córdoba Córdoba Spain
| | - Pamela C. Köster
- Parasitology Reference and Research Laboratory National Centre for Microbiology Madrid Spain
| | - Javier Caballero‐Gómez
- Department of Animal Health, Animal Health and Zoonosis Research Group (GISAZ), UIC Zoonoses and Emerging Diseases (ENZOEM) University of Córdoba Córdoba Spain
- Infectious Diseases Unit, Maimonides Institute for Biomedical Research (IMIBIC) University Hospital Reina Sofía, University of Córdoba Córdoba Spain
- CIBERINFEC, ISCIII – CIBER Infectious Diseases, Health Institute Carlos III Madrid Spain
| | - Begoña Bailo
- Parasitology Reference and Research Laboratory National Centre for Microbiology Madrid Spain
| | - Alejandro Dashti
- Parasitology Reference and Research Laboratory National Centre for Microbiology Madrid Spain
| | - Carolina Hernández‐Castro
- Parasitology Reference and Research Laboratory National Centre for Microbiology Madrid Spain
- Parasitology Group, Faculty of Medicine, Academic Corporation for the Study of Tropical Pathologies University of Antioquia Medellín Colombia
| | - David Cano‐Terriza
- Department of Animal Health, Animal Health and Zoonosis Research Group (GISAZ), UIC Zoonoses and Emerging Diseases (ENZOEM) University of Córdoba Córdoba Spain
- CIBERINFEC, ISCIII – CIBER Infectious Diseases, Health Institute Carlos III Madrid Spain
| | - Fátima Vioque
- Parasitology Reference and Research Laboratory National Centre for Microbiology Madrid Spain
| | - Jenny G. Maloney
- Environmental Microbial and Food Safety Laboratory, Agricultural Research Service, United States Department of Agriculture Beltsville Maryland USA
| | - Mónica Santín
- Environmental Microbial and Food Safety Laboratory, Agricultural Research Service, United States Department of Agriculture Beltsville Maryland USA
| | - Ignacio García‐Bocanegra
- Department of Animal Health, Animal Health and Zoonosis Research Group (GISAZ), UIC Zoonoses and Emerging Diseases (ENZOEM) University of Córdoba Córdoba Spain
- CIBERINFEC, ISCIII – CIBER Infectious Diseases, Health Institute Carlos III Madrid Spain
| | - David Carmena
- Parasitology Reference and Research Laboratory National Centre for Microbiology Madrid Spain
- CIBERINFEC, ISCIII – CIBER Infectious Diseases, Health Institute Carlos III Madrid Spain
| | - David González‐Barrio
- Parasitology Reference and Research Laboratory National Centre for Microbiology Madrid Spain
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López‐López P, Frias M, Camacho A, Machuca I, Caballero‐Gómez J, Risalde MA, García‐Bocanegra I, Pérez‐Valero I, Gomez‐Villamandos JC, Rivero‐Juárez A, Rivero A. Seroreversion of IgG anti-HEV in HIV cirrhotic patients: A long-term multi-sampling longitudinal study. Transbound Emerg Dis 2022; 69:e1541-e1548. [PMID: 35184415 PMCID: PMC9790577 DOI: 10.1111/tbed.14486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 02/02/2022] [Accepted: 02/17/2022] [Indexed: 12/30/2022]
Abstract
The aim of our study was to evaluate HEV antibody kinetics in HIV/HCV-coinfected patients with cirrhosis. A longitudinal retrospective study was designed. Patients were followed up every 6 months; anti-HEV IgG and IgM antibodies levels and HEV-RNA by qPCR were analysed. The prevalence and incidence of every HEV infection marker were calculated. The kinetics of anti-HEV IgG and IgM during the follow-up were evaluated. Seventy-five patients comprised the study population. The seroprevalence observed was 17.3%. None showed IgM antibodies or HEV-RNA at baseline. None showed detectable HEV viral load during the study period. After a median follow-up of 5.1 years, two of 62 seronegative patients (3.2%) seroconverted to IgG antibody. The incidence for IgM was 2.7%. Of the 13 patients with IgG seropositivity at baseline, five (38.5%) seroreverted. Meanwhile, of the two patients who exhibited IgM positivity during the study, one (50%) showed intermittent positivity. We found that HEV seropositivity is common in HIV/HCV-coinfected cirrhotic patients. A remarkable rate of IgG seroreversions and IgM intermittence was found, limiting the use of antibodies for the diagnosis of HEV infection in this population.
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Affiliation(s)
- Pedro López‐López
- Infectious Diseases Unit and Clinical Virology and Zoonoses Unit, Maimonides Institute for Biomedical Research, Reina Sofia HospitalUniversity of CordobaCordobaSpain,CIBERINFEC
| | - Mario Frias
- Infectious Diseases Unit and Clinical Virology and Zoonoses Unit, Maimonides Institute for Biomedical Research, Reina Sofia HospitalUniversity of CordobaCordobaSpain,CIBERINFEC
| | - Angela Camacho
- Infectious Diseases Unit and Clinical Virology and Zoonoses Unit, Maimonides Institute for Biomedical Research, Reina Sofia HospitalUniversity of CordobaCordobaSpain,CIBERINFEC
| | - Isabel Machuca
- Infectious Diseases Unit and Clinical Virology and Zoonoses Unit, Maimonides Institute for Biomedical Research, Reina Sofia HospitalUniversity of CordobaCordobaSpain,CIBERINFEC
| | - Javier Caballero‐Gómez
- Infectious Diseases Unit and Clinical Virology and Zoonoses Unit, Maimonides Institute for Biomedical Research, Reina Sofia HospitalUniversity of CordobaCordobaSpain,CIBERINFEC,Animal Health and Zoonoses Research Group (GISAZ), Animal Health DepartmentUniversity of CordobaCordobaSpain
| | - María A. Risalde
- Infectious Diseases Unit and Clinical Virology and Zoonoses Unit, Maimonides Institute for Biomedical Research, Reina Sofia HospitalUniversity of CordobaCordobaSpain,CIBERINFEC,Animal Health and Zoonoses Research Group (GISAZ), Animal Pathology and Toxicology DepartmentUniversity of CordobaCordobaSpain
| | - Ignacio García‐Bocanegra
- CIBERINFEC,Animal Health and Zoonoses Research Group (GISAZ), Animal Health DepartmentUniversity of CordobaCordobaSpain
| | - Ignacio Pérez‐Valero
- Infectious Diseases Unit and Clinical Virology and Zoonoses Unit, Maimonides Institute for Biomedical Research, Reina Sofia HospitalUniversity of CordobaCordobaSpain,CIBERINFEC
| | - Jose C. Gomez‐Villamandos
- CIBERINFEC,Animal Health and Zoonoses Research Group (GISAZ), Animal Pathology and Toxicology DepartmentUniversity of CordobaCordobaSpain
| | - Antonio Rivero‐Juárez
- Infectious Diseases Unit and Clinical Virology and Zoonoses Unit, Maimonides Institute for Biomedical Research, Reina Sofia HospitalUniversity of CordobaCordobaSpain,CIBERINFEC
| | - Antonio Rivero
- Infectious Diseases Unit and Clinical Virology and Zoonoses Unit, Maimonides Institute for Biomedical Research, Reina Sofia HospitalUniversity of CordobaCordobaSpain,CIBERINFEC
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Caballero‐Gómez J, Rivero‐Juarez A, Zorrilla I, López G, Nájera F, Ulrich RG, Ruiz‐Rubio C, Salcedo J, Rivero A, Paniagua J, García‐Bocanegra I. Hepatitis E virus in the endangered Iberian lynx (Lynx pardinus). Transbound Emerg Dis 2022; 69:e2745-e2756. [PMID: 35690914 PMCID: PMC9796619 DOI: 10.1111/tbed.14624] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 05/18/2022] [Accepted: 06/04/2022] [Indexed: 01/01/2023]
Abstract
Hepatitis E virus (HEV) is an emerging zoonotic pathogen in Europe. In the Iberian Peninsula, wild boar (Sus scrofa) is considered the main wildlife reservoir of HEV. This wild ungulate shares habitat and resources with other potential HEV carriers in Iberian Mediterranean ecosystems, although information about the role of such sympatric species in the HEV epidemiological cycle is still very limited. The aims of the present large-scale, long-term study were: (1) to determine the seroprevalence and prevalence of HEV in both free-living and captive populations of the Iberian lynx (Lynx pardinus), the most endangered felid in the world; (2) to determine potential risk factors associated with HEV exposure in this species and (3) to evaluate the dynamics of seropositivity in longitudinally sampled animals during the study period. Between 2010 and 2021, serum samples from 275 Iberian lynxes were collected in free-ranging and captive populations across the Iberian Peninsula. Forty-four of the 275 lynxes were also longitudinally sampled during the study period. A double-antigen sandwich ELISA was used to test for the presence of antibodies against HEV. A subset of seropositive samples was analysed by Western blot (WB) assay to confirm exposure to HEV. In addition, serum, liver and/or faecal samples from 367 individuals were tested for orthohepevirus RNA by RT-PCR. A total of 50 (18.2%; 95% CI: 14.1-23.2) of the 275 animals analysed had anti-HEV antibodies by ELISA. Exposure to HEV was confirmed by WB in most of the ELISA-positive Iberian lynxes analysed. Significantly higher seroprevalence was found in captive (33.6%) compared to free-ranging (7.4%) individuals. Within captive population, the GEE model identified 'age' (senile, adult and subadult) as risk a factor potentially associated with HEV exposure in the Iberian lynx. Thirteen (29.5%) of 44 longitudinally surveyed individuals seroconverted against HEV during the study period. HEV RNA was detected in the faeces of one (1/364; 0.3%; 95% CI: 0.0-0.8) free-ranging adult animal sampled in 2021. Phylogenetic analysis showed that the sequenced strain belongs to HEV-3f subtype and shared a high nucleotide sequence identity (97-99.6%) with human HEV-3f sequences from Spain and France. To the best of the authors' knowledge, this is the first survey study on HEV in the Iberian lynx and the first molecular report of HEV-A infection in free-ranging felines. Our results indicate high exposure to HEV-3 in Iberian lynx populations, particularly those kept in captivity. The serological results suggest widespread but not homogeneous circulation of HEV in Iberian lynx populations. Further studies are required to assess the epidemiological role of this endangered species as a potential spillover host of HEV.
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Affiliation(s)
- Javier Caballero‐Gómez
- Grupo de Virología Clínica y Zoonosis, Unidad de Enfermedades InfecciosasInstituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)Hospital Universitario Reina SofíaUniversidad de CórdobaCórdobaSpain,Grupo de Investigación en Sanidad Animal y Zoonosis (GISAZ)Departamento de Sanidad AnimalUniversidad de CórdobaCórdobaSpain,CIBERINFEC, ISCIII – CIBER de Enfermedades InfecciosasInstituto de Salud Carlos IIIMadridSpain
| | - Antonio Rivero‐Juarez
- Grupo de Virología Clínica y Zoonosis, Unidad de Enfermedades InfecciosasInstituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)Hospital Universitario Reina SofíaUniversidad de CórdobaCórdobaSpain,CIBERINFEC, ISCIII – CIBER de Enfermedades InfecciosasInstituto de Salud Carlos IIIMadridSpain
| | - Irene Zorrilla
- Centro de Análisis y Diagnóstico de la Fauna SilvestreAgencia de Medio Ambiente y Agua de AndalucíaConsejería de Agricultura, GanaderíaPesca y Desarrollo Sostenible, Junta de AndalucíaMálagaSpain
| | - Guillermo López
- Centro de Análisis y Diagnóstico de la Fauna SilvestreAgencia de Medio Ambiente y Agua de AndalucíaConsejería de Agricultura, GanaderíaPesca y Desarrollo Sostenible, Junta de AndalucíaMálagaSpain
| | - Fernando Nájera
- Departamento de Fisiología AnimalFacultad de VeterinariaUniversidad Complutense de MadridMadridSpain,Asistencia Técnica de la Dirección General del Medio Natural y Desarrollo Sostenible de la Junta de Comunidades de Castilla‐La ManchaToledoSpain
| | - Rainer G. Ulrich
- Institute of Novel and Emerging Infectious DiseasesFriedrich‐Loeffler‐InstitutFederal Research Institute for Animal HealthGreifswald‐Insel RiemsGermany,German Centre for Infection Research (DZIF)Partner Site Hamburg‐Lübeck‐Borstel‐RiemsGreifswald‐Insel RiemsGermany
| | - Carmen Ruiz‐Rubio
- Centro de Análisis y Diagnóstico de la Fauna SilvestreAgencia de Medio Ambiente y Agua de AndalucíaConsejería de Agricultura, GanaderíaPesca y Desarrollo Sostenible, Junta de AndalucíaMálagaSpain
| | - Javier Salcedo
- Consejería de Agricultura, GanaderaPesca y Desarrollo Sostenible. Junta de AndalucíaSevillaSpain
| | - Antonio Rivero
- Grupo de Virología Clínica y Zoonosis, Unidad de Enfermedades InfecciosasInstituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)Hospital Universitario Reina SofíaUniversidad de CórdobaCórdobaSpain,CIBERINFEC, ISCIII – CIBER de Enfermedades InfecciosasInstituto de Salud Carlos IIIMadridSpain
| | - Jorge Paniagua
- Grupo de Investigación en Sanidad Animal y Zoonosis (GISAZ)Departamento de Sanidad AnimalUniversidad de CórdobaCórdobaSpain
| | - Ignacio García‐Bocanegra
- Grupo de Investigación en Sanidad Animal y Zoonosis (GISAZ)Departamento de Sanidad AnimalUniversidad de CórdobaCórdobaSpain,CIBERINFEC, ISCIII – CIBER de Enfermedades InfecciosasInstituto de Salud Carlos IIIMadridSpain,Unidad de Investigación Competitiva Zoonosis y Enfermedades Emergentes desde la Perspectiva de Una Salud (ENZOEM)Universidad de Córdoba, Campus de Rabanales, Edificio Sanidad AnimalCordobaSpain
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