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Chen GH, Dai YC, Hsieh SC, Tsai JJ, Sy AK, Jiz M, Pedroso C, Brites C, Netto EM, Kanki PJ, Saunders DRD, Vanlandingham DL, Higgs S, Huang YJS, Wang WK. Detection of anti-premembrane antibody as a specific marker of four flavivirus serocomplexes and its application to serosurveillance in endemic regions. Emerg Microbes Infect 2024; 13:2301666. [PMID: 38163752 PMCID: PMC10810658 DOI: 10.1080/22221751.2023.2301666] [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] [Received: 09/22/2023] [Accepted: 12/30/2023] [Indexed: 01/03/2024]
Abstract
In the past few decades, several emerging/re-emerging mosquito-borne flaviviruses have resulted in disease outbreaks of public health concern in the tropics and subtropics. Due to cross-reactivities of antibodies recognizing the envelope protein of different flaviviruses, serosurveillance remains a challenge. Previously we reported that anti-premembrane (prM) antibody can discriminate between three flavivirus infections by Western blot analysis. In this study, we aimed to develop a serological assay that can discriminate infection or exposure with flaviviruses from four serocomplexes, including dengue (DENV), Zika (ZIKV), West Nile (WNV) and yellow fever (YFV) viruses, and explore its application for serosurveillance in flavivirus-endemic countries. We employed Western blot analysis including antigens of six flaviviruses (DENV1, 2 and 4, WNV, ZIKV and YFV) from four serocomplexes. We tested serum samples from YF-17D vaccinees, and from DENV, ZIKV and WNV panels that had been confirmed by RT-PCR or by neutralization assays. The overall sensitivity/specificity of anti-prM antibodies for DENV, ZIKV, WNV, and YFV infections/exposure were 91.7%/96.4%, 91.7%/99.2%, 88.9%/98.3%, and 91.3%/92.5%, respectively. When testing 48 samples from Brazil, we identified multiple flavivirus infections/exposure including DENV and ZIKV, DENV and YFV, and DENV, ZIKV and YFV. When testing 50 samples from the Philippines, we detected DENV, ZIKV, and DENV and ZIKV infections with a ZIKV seroprevalence rate of 10%, which was consistent with reports of low-level circulation of ZIKV in Asia. Together, these findings suggest that anti-prM antibody is a flavivirus serocomplex-specific marker and can be employed to delineate four flavivirus infections/exposure in regions where multiple flaviviruses co-circulate.
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Affiliation(s)
- Guan-Hua Chen
- Department of Tropical Medicine, Medical Microbiology and Pharmacology, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, HI, USA
| | - Yu-Ching Dai
- Department of Tropical Medicine, Medical Microbiology and Pharmacology, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, HI, USA
| | - Szu-Chia Hsieh
- Department of Tropical Medicine, Medical Microbiology and Pharmacology, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, HI, USA
| | - Jih-Jin Tsai
- Tropical Medicine Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ava Kristy Sy
- National Reference Laboratory for Dengue and Other Arbovirus, Virology Department, Research Institute for Tropical Medicine, Muntinlupa City, Philippines
| | - Mario Jiz
- Immunology Department, Research Institute for Tropical Medicine, Muntinlupa City, Philippines
| | - Celia Pedroso
- LAPI-Laboratório de Pesquisa em Infectologia-School of Medicine, Federal University of Bahia, Salvador, Brazil
| | - Carlos Brites
- LAPI-Laboratório de Pesquisa em Infectologia-School of Medicine, Federal University of Bahia, Salvador, Brazil
| | - Eduardo Martins Netto
- LAPI-Laboratório de Pesquisa em Infectologia-School of Medicine, Federal University of Bahia, Salvador, Brazil
| | - Phyllis J. Kanki
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | | | - Dana L. Vanlandingham
- Biosecurity Research Institute and Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS, USA
| | - Stephen Higgs
- Biosecurity Research Institute and Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS, USA
| | - Yan-Jang S. Huang
- Biosecurity Research Institute and Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS, USA
| | - Wei-Kung Wang
- Department of Tropical Medicine, Medical Microbiology and Pharmacology, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, HI, USA
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Chen GH, Dai YC, Hsieh SC, Tsai JJ, Sy AK, Jiz M, Pedroso C, Brites C, Netto EM, Kanki PJ, Saunders DRD, Vanlandingham DL, Higgs S, Huang YJS, Wang WK. Detection of anti-premembrane antibody as a specific marker of four flavivirus serocomplexes and its application to serosurveillance in endemic regions. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.09.21.23295701. [PMID: 37808865 PMCID: PMC10557774 DOI: 10.1101/2023.09.21.23295701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
In the past few decades, several emerging/re-emerging mosquito-borne flaviviruses have resulted in disease outbreaks of public health concern in the tropics and subtropics. Due to cross-reactivities of antibodies recognizing the envelope protein of different flaviviruses, serosurveillance remains a challenge. Previously we reported that anti-premembrane (prM) antibody can discriminate between three flavivirus infections by Western blot analysis. In this study, we aimed to develop a serological assay that can discriminate infection or exposure with flaviviruses from four serocomplexes, including dengue (DENV), Zika (ZIKV), West Nile (WNV) and yellow fever (YFV) viruses, and explore its application for serosurveillance in flavivirus-endemic countries. We employed Western blot analysis including antigens of six flaviviruses (DENV1, 2 and 4, WNV, ZIKV and YFV) from four serocomplexes. We tested serum samples from YF-17D vaccinees, and from DENV, ZIKV and WNV panels that had been confirmed by RT-PCR or by neutralization assays. The overall sensitivity/specificity of anti-prM antibodies for DENV, ZIKV, WNV, and YFV infections/exposure were 91.7%/96.4%, 91.7%/99.2%, 88.9%/98.3%, and 91.3%/92.5%, respectively. When testing 48 samples from Brazil, we identified multiple flavivirus infections/exposure including DENV and ZIKV, DENV and YFV, and DENV, ZIKV and YFV. When testing 50 samples from the Philippines, we detected DENV, ZIKV, and DENV and ZIKV infections with a ZIKV seroprevalence rate of 10%, which was consistent with reports of low-level circulation of ZIKV in Asia. Together, these findings suggest that anti-prM antibody is a flavivirus serocomplex-specific marker and can be employed to delineate four flavivirus infections/exposure in regions where multiple flaviviruses co-circulate.
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Zhou J, Guan MY, Li RT, Qi YN, Yang G, Deng YQ, Li XF, Li L, Yang X, Liu JF, Qin CF. Zika virus leads to olfactory disorders in mice by targeting olfactory ensheathing cells. EBioMedicine 2023; 89:104457. [PMID: 36739631 PMCID: PMC9931927 DOI: 10.1016/j.ebiom.2023.104457] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 12/23/2022] [Accepted: 01/17/2023] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Zika virus (ZIKV) is an emerging arbovirus of the genus flavivirus that is associated with congenital Zika syndrome (CZS) in newborns. A wide range of clinical symptoms including intellectual disability, speech delay, coordination or movement problems, and hearing and vision loss, have been well documented in children with CZS. However, whether ZIKV can invade the olfactory system and lead to post-viral olfactory dysfunction (PVOD) remains unknown. METHODS We investigated the susceptibility and biological responses of the olfactory system to ZIKV infection using mouse models and human olfactory organoids derived from patient olfactory mucosa. FINDINGS We demonstrate that neonatal mice infected with ZIKV suffer from transient olfactory dysfunction when they reach to puberty. Moreover, ZIKV mainly targets olfactory ensheathing cells (OECs) and exhibits broad cellular tropism colocalizing with small populations of mature/immature olfactory sensory neurons (mOSNs/iOSNs), sustentacular cells and horizontal basal cells in the olfactory mucosa (OM) of immunodeficient AG6 mice. ZIKV infection induces strong antiviral immune responses in both the olfactory mucosa and olfactory bulb tissues, resulting in the upregulation of proinflammatory cytokines/chemokines and genes related to the antiviral response. Histopathology and transcriptomic analysis showed typical tissue damage in the olfactory system. Finally, by using an air-liquid culture system, we showed that ZIKV mainly targets sustentacular cells and OECs and support robust ZIKV replication. INTERPRETATION Our results demonstrate that olfactory system represents as significant target for ZIKV infection, and that PVOD may be neglected in CZS patients. FUNDING Stated in the acknowledgment.
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Affiliation(s)
- Jia Zhou
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Meng-Yue Guan
- Department of Respiratory Medicine, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing 10010, China
| | - Rui-Ting Li
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Yi-Ni Qi
- State Key Laboratory of Proteomics, National Center for Protein Science (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China
| | - Guan Yang
- State Key Laboratory of Proteomics, National Center for Protein Science (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China
| | - Yong-Qiang Deng
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Xiao-Feng Li
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Liang Li
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Xiao Yang
- State Key Laboratory of Proteomics, National Center for Protein Science (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China
| | - Jian-Feng Liu
- Department of Otorhinolaryngology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Cheng-Feng Qin
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China; Research Unit of Discovery and Tracing of Natural Focus Diseases, Chinese Academy of Medical Sciences, Beijing, China.
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Ngwe Tun MM, Mori D, Sabri SB, Kugan O, Shaharom SB, John J, Soe AM, Nwe KM, Dony JF, Inoue S, Morita K, Ahmed K. Serological Evidence of Zika Virus Infection in Febrile Patients and Healthy Blood Donors in Sabah, Malaysian Borneo, 2017-2018. Am J Trop Med Hyg 2022; 106:601-606. [PMID: 34814105 PMCID: PMC8832921 DOI: 10.4269/ajtmh.21-0802] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 09/29/2021] [Indexed: 02/03/2023] Open
Abstract
Several Zika virus (ZIKV) seroprevalence studies have been conducted in Africa, Asia, Oceania, the Americas, and the Caribbean. However, studies on ZIKV seroprevalence are limited in Malaysia though several studies have shown that the disease is endemic in the Malaysian state of Sabah. To evaluate the seroprevalence of ZIKV infection, 818 serum samples were collected from febrile patients and healthy blood donors from the Kudat and Kota Kinabalu districts in Sabah from 2017 to 2018. They were screened for ZIKV infection by IgM and IgG ELISA, and positive ZIKV IgM samples were subjected to a 90% neutralization test for confirmation. Twenty-four (6% [95% CI 4 to 8]) confirmed and two (0.5% [95% CI 0.13 to 1.8]) probable ZIKV infections were detected among 400 febrile illness patients. Of 418 healthy blood donor samples, six (1.4% [95% CI 0.65 to 3]) were determined as confirmed ZIKV infections and six (1.4% [95% CI 0.65 to 3]) indicated probable ZIKV infection. This is the first study on the seroprevalence of ZIKV infections among patients and healthy blood donors in Sabah. Compared with previous studies in Malaysia, this study shows that the incidence of ZIKV infection has increased. It also suggests that a sero-surveillance system is essential to determine the circulation of ZIKV in Sabah, Malaysia.
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Affiliation(s)
- Mya Myat Ngwe Tun
- Department of Virology, Institute of Tropical Medicine and Leading Program, Nagasaki University, Nagasaki, Japan
| | - Daisuke Mori
- Department of Pathology and Microbiology, Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah, Kota Kinabalu, Sabah, Malaysia
| | - Shahnaz Binti Sabri
- Department of Transfusion Medicine, Queen Elizabeth Hospital II, Ministry of Health Malaysia, Kota Kinabalu, Sabah, Malaysia
| | - Omar Kugan
- Putatan District Health Office, Ministry of Health Malaysia, Putatan, Sabah, Malaysia
| | - Saliz Binti Shaharom
- Department of Transfusion Medicine, Queen Elizabeth Hospital II, Ministry of Health Malaysia, Kota Kinabalu, Sabah, Malaysia
| | - Jecelyn John
- Borneo Medical and Health Research Center, Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah, Kota Kinabalu, Sabah, Malaysia
| | - Aung Min Soe
- Department of Virology, Institute of Tropical Medicine and Leading Program, Nagasaki University, Nagasaki, Japan
| | - Khine Mya Nwe
- Department of Virology, Institute of Tropical Medicine and Leading Program, Nagasaki University, Nagasaki, Japan
| | - Jiloris Frederick Dony
- Kota Kinabalu Public Health Laboratory, Sabah State Health Department, Ministry of Health Malaysia, Kota Kinabalu, Sabah, Malaysia
| | - Shingo Inoue
- Department of Virology, Institute of Tropical Medicine and Leading Program, Nagasaki University, Nagasaki, Japan
| | - Kouichi Morita
- Department of Virology, Institute of Tropical Medicine and Leading Program, Nagasaki University, Nagasaki, Japan;,Address correspondence to Kouichi Morita, Department of Virology, Institute of Tropical Medicine and Leading Program, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan, E-mail: or Kamruddin Ahmed, Department of Pathology and Microbiology, Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah, 88400 Kota Kinabalu, Sabah, Malaysia, E-mail:
| | - Kamruddin Ahmed
- Department of Pathology and Microbiology, Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah, Kota Kinabalu, Sabah, Malaysia;,Borneo Medical and Health Research Center, Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah, Kota Kinabalu, Sabah, Malaysia;,Address correspondence to Kouichi Morita, Department of Virology, Institute of Tropical Medicine and Leading Program, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan, E-mail: or Kamruddin Ahmed, Department of Pathology and Microbiology, Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah, 88400 Kota Kinabalu, Sabah, Malaysia, E-mail:
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Hyperendemic Dengue and Possible Zika Circulation in the Westernmost Region of the Indonesian Archipelago. Viruses 2022; 14:v14020219. [PMID: 35215813 PMCID: PMC8875625 DOI: 10.3390/v14020219] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/16/2022] [Accepted: 01/20/2022] [Indexed: 12/03/2022] Open
Abstract
The transmission of dengue and other medically important mosquito-borne viruses in the westernmost region of Indonesia is not well described. We assessed dengue and Zika virus seroprevalence in Aceh province, the westernmost area of the Indonesian archipelago. Serum samples collected from 199 randomly sampled healthy residents of Aceh Jaya in 2017 were analyzed for neutralizing antibodies by plaque reduction neutralization test (PRNT). Almost all study participants (198/199; 99.5%) presented with multitypic profiles of neutralizing antibodies to two or more DENV serotypes, indicating transmission of multiple DENV in the region prior to 2017. All residents were exposed to one or more DENV serotypes by the age of 30 years. The highest geometric mean titers were measured for DENV-4, followed by DENV-1, DENV-2 and DENV-3. Among a subset of 116 sera, 27 neutralized ZIKV with a high stringency (20 with PRNT90 > 10 and 7 with PRNT90 > 40). This study showed that DENV is hyperendemic in the westernmost region of the Indonesian archipelago and suggested that ZIKV may have circulated prior to 2017.
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Adams C, Jadi R, Segovia-Chumbez B, Daag J, Ylade M, Medina FA, Sharp TM, Munoz-Jordan JL, Yoon IK, Deen J, Lopez AL, de Silva AM, Premkumar L. Novel Assay to Measure Seroprevalence of Zika Virus in the Philippines. Emerg Infect Dis 2021; 27:3073-3081. [PMID: 34808091 PMCID: PMC8632176 DOI: 10.3201/eid2712.211150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Zika virus (ZIKV) is a member of the Flaviviridae family, which includes other clinically notable viruses such as the 4 dengue virus serotypes (DENV-1-4). Distinguishing DENVs from ZIKV using the established serologic assays widely used for monitoring DENV transmission is difficult because of antibody cross-reactivity between these closely related flaviviruses. We describe a modified and improved recombinant envelope domain III-based serologic assay for detecting ZIKV type-specific antibodies in regions with endemic DENV transmission. When the assay was used to measure ZIKV seroprevalence in 2017 among children 9-14 years of age living in a region of the Philippines with endemic DENV transmission, we observed a ZIKV seroprevalence of 18%. Investigators should consider using the ZIKV envelope domain III-based assay, which is simple and readily adaptable for use in standard clinical and public health laboratories, to assess ZIKV seroprevalence in areas with endemic DENV transmission.
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Sasmono RT, Johar E, Yohan B, Ma’roef CN, Pronyk P, Hadinegoro SR, Soepardi EJ, Bouckenooghe A, Hawley WA, Rosenberg R, Powers AM, Soebandrio A, Myint KSA. Spatiotemporal Heterogeneity of Zika Virus Transmission in Indonesia: Serosurveillance Data from a Pediatric Population. Am J Trop Med Hyg 2021; 104:2220-2223. [PMID: 33939632 PMCID: PMC8176489 DOI: 10.4269/ajtmh.21-0010] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 03/08/2021] [Indexed: 11/23/2022] Open
Abstract
The presence of Zika virus (ZIKV) in Indonesia has been recognized since the 1970s, but its transmission dynamics there have been poorly understood. To understand more fully the geographic distribution and burden of ZIKV infection, we performed retrospective serological tests on specimens collected from asymptomatic children age 5 to 9 years old living at 30 sites in 14 provinces. Of 870 serum samples tested, 9.2% were found to be positive for anti-ZIKV antibodies, as confirmed by plaque reduction neutralization assays. This was the same overall prevalence reported previously for 1- to 4-year-old children collected at the same sites at the same time. Together with geographic differences in seroprevalence between the age groups, these data suggest that, although ZIKV might be endemic in Indonesia, its occurrence has been focal and episodic.
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Affiliation(s)
| | - Edison Johar
- Eijkman Institute for Molecular Biology, Jakarta, Indonesia
| | | | | | | | - Sri Rezeki Hadinegoro
- Faculty of Medicine and Cipto Mangunkusumo Hospital, Universitas Indonesia, Jakarta, Indonesia
| | | | | | | | - Ronald Rosenberg
- Centers for Disease Control and Prevention, Fort Collins, Colorado
| | - Ann M. Powers
- Centers for Disease Control and Prevention, Fort Collins, Colorado
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Yufika A, Anwar S, Maulana R, Wahyuniati N, Ramadana RR, Ikram I, Mudatsir M, Utomo PS, Te H, Enitan SS, Sirinam S, Müller R, Setiawan AM. Attitude towards Zika among frontline physicians in a dengue-endemic country: A preliminary cross-sectional study in Indonesia. NARRA J 2021; 1:e32. [PMID: 38449774 PMCID: PMC10914057 DOI: 10.52225/narraj.v1i1.32] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 04/01/2021] [Indexed: 03/08/2024]
Abstract
In dengue-endemic countries such as Indonesia, Zika may be misdiagnosed as dengue, leading to underestimates of Zika disease and less foreknowledge of pregnancy-related complications such as microcephaly. OBJECTIVE To assess the attitudes of frontline physicians in a dengue-endemic country toward testing for Zika infection among patients with dengue-like illnesses. METHODS A cross-sectional online survey was conducted among general practitioners (GPs) in Indonesia. The survey assessed their attitude and also collected sociodemographic data, characteristics of their medical education, professional background, and workplace, and exposure to Zika cases. A two-step logistic regression analysis was used to assess possible variables associated with these attitudes. RESULTS A total of 370 GPs were included in the final analysis of which 70.8% had good attitude. Unadjusted analyses suggested that GPs who were 30 years old or older and those who had medical experience five years or longer had lower odds of having a positive attitude compared to those who aged younger than 30 years and those who had medical experience less than five years, OR: 0.58; 95%CI: 0.37, 0.91 and OR: 0.55; 95%CI: 0.35, 0.86, respectively. No explanatory variable was associated with attitude in the fully adjusted model. CONCLUSION Our findings point to younger GPs with a shorter medical experience being more likely to consider testing for Zika infection among their patients presenting with dengue-like illnesses. Strategic initiatives may be needed to enhance older or longer-experienced physicians' capacity in diagnosing Zika infection.
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Affiliation(s)
- Amanda Yufika
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh,Indonesia
- Department of Family Medicine, School of Medicine, Universitas Syiah Kuala, Banda Aceh,Indonesia
| | - Samsul Anwar
- Department of Statistics, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh,Indonesia
| | - Reza Maulana
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh,Indonesia
| | - Nur Wahyuniati
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh,Indonesia
| | - Rizki R. Ramadana
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh,Indonesia
| | - Ikram Ikram
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh,Indonesia
| | - Mudatsir Mudatsir
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh,Indonesia
- Department of Microbiology, School of Medicine, Universitas Syiah Kuala, Banda Aceh,Indonesia
| | - Prattama S. Utomo
- Department of Medical Education, Faculty of Medicine, Gadjah Mada University, Jogjakarta,Indonesia
| | - Haypheng Te
- Siem Reap Provincial Hospital, Siem Reap, Cambodia
- Siem Reap Provincial Health Department, Ministry of Health, Cambodia
| | - Seyi Samson Enitan
- Department of Medical Laboratory Science, Babcock University, Ilishan-Remo, Nigeria
| | - Salin Sirinam
- Department of Tropical Pediatrics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Ruth Müller
- Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Goethe University, Frankfurt am Main, Germany
- Unit of Medical Entomology, Institute of Tropical Medicine, Antwerp, Belgium
| | - Abdul M. Setiawan
- Department of Microbiology, Faculty of Medicine and Health Sciences, Maulana Malik Ibrahim State Islamic University of Malang, Malang, Indonesia
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Dhewantara PW, Jamil KF, Fajar JK, Saktianggi PP, Nusa R, Garjito TA, Anwar S, Nainu F, Megawati D, Sasmono RT, Mudatsir M. Original Article: Decline of notified dengue infections in Indonesia in 2017: Discussion of the possible determinants. NARRA J 2021; 1:e23. [PMID: 38449778 PMCID: PMC10914056 DOI: 10.52225/narraj.v1i1.23] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 03/15/2021] [Indexed: 03/08/2024]
Abstract
This study was conducted to quantify the trend in dengue notifications in the country in 2017 and to explore the possible determinants. Annual nation-wide dengue notification data were obtained from the National Disease Surveillance of Ministry of Health of Indonesia. Annual incidence rate (IR) and case fatality rate (CFR) in 2017 and the previous years were quantified and compared. Correlations between annual larva free index (LFI), implementation coverage of integrated vector management (IVM), El Niño Southern Oscillation (Niño3.4), Dipole Mode Index (DMI), Zika virus seropositivity and the percent change in IR and CFR of dengue were examined. The change of dengue IR and CFRs were mapped. In 2017, dengue IR was declined by 71% (22.55 per 100,000 population) compared to 2016 (77.96 per 100,000 population) while the CFR was slightly reduced from 0.79% to 0.75%. Reduction in IR and CFR occurred in 94.1% and 70.1% out of 34 provinces, respectively. The trend of dengue IR seems to be influenced by Niño3.4 but there is no clear evidence that Niño3.4 is the main reason for dengue reduction in 2017. It is difficult to elucidate that the reduction of dengue in 2017 was associated with previous Zika outbreaks. In conclusion, there was a significant reduction on dengue notifications in Indonesia in 2017. Further investigation is needed to look at the role of climate on the decline of dengue IR at finer temporal scale. In addition, study on the role of cross-protective immunity generated by Zika infection on dengue incidence is also warranted.
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Affiliation(s)
- Pandji Wibawa Dhewantara
- Pangandaran Unit of Health Research and Development, National Institute of Health Research and Development (NIHRD), Ministry of Health, West Java, Indonesia
- UQ Spatial Epidemiology Laboratory, School of Veterinary Science, The University of Queensland, Gatton, Australia
| | - Kurnia F Jamil
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
- Department of Internal Medicine, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Jonny Karunia Fajar
- Department of Internal Medicine, Faculty of Medicine, Universitas Brawijaya, Malang, Indonesia
| | - Panji Probo Saktianggi
- Balai Pemantapan Kawasan Hutan Region XIV Kupang, Ministry of Environment and Forestry, Kupang, Indonesia
| | - Roy Nusa
- Vector Borne Disease Control, Research and Development Council, Ministry of Health, Jakarta, Indonesia
| | - Triwibowo Ambar Garjito
- Institute for Vector and Reservoir Control Research and Development, National Institute of Health Research and Development (NIHRD), Ministry of Health, Salatiga, Indonesia
| | - Samsul Anwar
- Department of Statistics, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Firzan Nainu
- Faculty of Pharmacy, Hasanuddin University, Tamalanrea, Makassar, Indonesia
| | - Dewi Megawati
- Department of Microbiology and Parasitology, Faculty of Medicine and Health Sciences, Warmadewa University, Denpasar, Indonesia
- Department of Medical Microbiology and Immunology, School of Medicine, University of California, Davis, California, USA
| | | | - Mudatsir Mudatsir
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
- Department of Microbiology, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
- Tropical Disease Centre, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
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Raper J, Chahroudi A. Clinical and Preclinical Evidence for Adverse Neurodevelopment after Postnatal Zika Virus Infection. Trop Med Infect Dis 2021; 6:tropicalmed6010010. [PMID: 33445671 PMCID: PMC7838975 DOI: 10.3390/tropicalmed6010010] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 01/04/2021] [Indexed: 02/07/2023] Open
Abstract
Although the Zika virus (ZIKV) typically causes mild or no symptoms in adults, during the 2015−2016 outbreak, ZIKV infection in pregnancy resulted in a spectrum of diseases in infants, including birth defects and neurodevelopmental disorders identified in childhood. While intense clinical and basic science research has focused on the neurodevelopmental outcomes of prenatal ZIKV infection, less is known about the consequences of infection during early life. Considering the neurotropism of ZIKV and the rapidly-developing postnatal brain, it is important to understand how infection during infancy may disrupt neurodevelopment. This paper reviews the current knowledge regarding early postnatal ZIKV infection. Emerging clinical evidence supports the hypothesis that ZIKV infection during infancy can result in negative neurologic consequences. However, clinical data regarding postnatal ZIKV infection in children are limited; as such, animal models play an important role in understanding the potential complications of ZIKV infection related to the vulnerable developing brain. Preclinical data provide insight into the potential behavioral, cognitive, and motor domains that clinical studies should examine in pediatric populations exposed to ZIKV during infancy.
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Affiliation(s)
- Jessica Raper
- Yerkes National Primate Research Center, Emory University, Atlanta, GA 30329, USA;
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Ann Chahroudi
- Yerkes National Primate Research Center, Emory University, Atlanta, GA 30329, USA;
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322, USA
- Center for Childhood Infections and Vaccines of Children’s Healthcare of Atlanta and Emory University, Atlanta, GA 30322, USA
- Correspondence:
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11
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Sun H, Dickens BL, Jit M, Cook AR, Carrasco LR. Mapping the cryptic spread of the 2015-2016 global Zika virus epidemic. BMC Med 2020; 18:399. [PMID: 33327961 PMCID: PMC7744256 DOI: 10.1186/s12916-020-01845-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 11/06/2020] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Zika virus (ZIKV) emerged as a global epidemic in 2015-2016 from Latin America with its true geographical extent remaining unclear due to widely presumed underreporting. The identification of locations with potential and unknown spread of ZIKV is a key yet understudied component for outbreak preparedness. Here, we aim to identify locations at a high risk of cryptic ZIKV spread during 2015-2016 to further the understanding of the global ZIKV epidemiology, which is critical for the mitigation of the risk of future epidemics. METHODS We developed an importation simulation model to estimate the weekly number of ZIKV infections imported in each susceptible spatial unit (i.e. location that did not report any autochthonous Zika cases during 2015-2016), integrating epidemiological, demographic, and travel data as model inputs. Thereafter, a global risk model was applied to estimate the weekly ZIKV transmissibility during 2015-2016 for each location. Finally, we assessed the risk of onward ZIKV spread following importation in each susceptible spatial unit to identify locations with a high potential for cryptic ZIKV spread during 2015-2016. RESULTS We have found 24 susceptible spatial units that were likely to have experienced cryptic ZIKV spread during 2015-2016, of which 10 continue to have a high risk estimate within a highly conservative scenario, namely, Luanda in Angola, Banten in Indonesia, Maharashtra in India, Lagos in Nigeria, Taiwan and Guangdong in China, Dakar in Senegal, Maputo in Mozambique, Kinshasa in Congo DRC, and Pool in Congo. Notably, among the 24 susceptible spatial units identified, some have reported their first ZIKV outbreaks since 2017, thus adding to the credibility of our results (derived using 2015-2016 data only). CONCLUSION Our study has provided valuable insights into the potentially high-risk locations for cryptic ZIKV circulation during the 2015-2016 pandemic and has also laid a foundation for future studies that attempt to further narrow this key knowledge gap. Our modelling framework can be adapted to identify areas with likely unknown spread of other emerging vector-borne diseases, which has important implications for public health readiness especially in resource-limited settings.
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Affiliation(s)
- Haoyang Sun
- Saw Swee Hock School of Public Health, National University of Singapore, 12 Science Drive 2, Singapore, 117549, Republic of Singapore.
| | - Borame L Dickens
- Saw Swee Hock School of Public Health, National University of Singapore, 12 Science Drive 2, Singapore, 117549, Republic of Singapore
| | - Mark Jit
- Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
- Modelling and Economics Unit, Public Health England, London, UK
| | - Alex R Cook
- Saw Swee Hock School of Public Health, National University of Singapore, 12 Science Drive 2, Singapore, 117549, Republic of Singapore.
| | - L Roman Carrasco
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Republic of Singapore
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12
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Sasmono RT, Santoso MS, Pamai YWB, Yohan B, Afida AM, Denis D, Hutagalung IA, Johar E, Hayati RF, Yudhaputri FA, Haryanto S, Stubbs SCB, Blacklaws BA, Myint KSA, Frost SDW. Distinct Dengue Disease Epidemiology, Clinical, and Diagnosis Features in Western, Central, and Eastern Regions of Indonesia, 2017-2019. Front Med (Lausanne) 2020; 7:582235. [PMID: 33335904 PMCID: PMC7737558 DOI: 10.3389/fmed.2020.582235] [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: 07/22/2020] [Accepted: 10/22/2020] [Indexed: 01/06/2023] Open
Abstract
The people of Indonesia have been afflicted by dengue, a mosquito-borne viral disease, for over 5 decades. The country is the world's largest archipelago with diverse geographic, climatic, and demographic conditions that may impact the dynamics of disease transmissions. A dengue epidemiology study was launched by us to compare and understand the dynamics of dengue and other arboviral diseases in three cities representing western, central, and eastern Indonesia, namely, Batam, Banjarmasin, and Ambon, respectively. A total of 732 febrile patients were recruited with dengue-like illness during September 2017-2019 and an analysis of their demographic, clinical, and virological features was performed. The seasonal patterns of dengue-like illness were found to be different in the three regions. Among all patients, 271 (37.0%) were virologically confirmed dengue, while 152 (20.8%) patients were diagnosed with probable dengue, giving a total number of 423 (57.8%) dengue patients. Patients' age and clinical manifestations also differed between cities. Mostly, mild dengue fever was observed in Batam, while more severe cases were prominent in Ambon. While all dengue virus (DENV) serotypes were detected, distinct serotypes dominated in different locations: DENV-1 in Batam and Ambon, and DENV-3 in Banjarmasin. We also assessed the diagnostic features in the study sites, which revealed different patterns of diagnostic agreements, particularly in Ambon. To detect the possibility of infection with other arboviruses, further testing on 461 DENV RT-PCR-negative samples was performed using pan-flavivirus and -alphavirus RT-PCRs; however, only one chikungunya infection was detected in Ambon. A diverse dengue epidemiology in western, central, and eastern Indonesia was observed, which is likely to be influenced by local geographic, climatic, and demographic conditions, as well as differences in the quality of healthcare providers and facilities. Our study adds a new understanding on dengue epidemiology in Indonesia.
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Affiliation(s)
| | | | | | | | - Anna M Afida
- Dr. H. M. Ansari Saleh Hospital, Banjarmasin, Indonesia
| | | | | | - Edison Johar
- Eijkman Institute for Molecular Biology, Jakarta, Indonesia
| | - Rahma F Hayati
- Eijkman Institute for Molecular Biology, Jakarta, Indonesia
| | | | | | - Samuel C B Stubbs
- Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom.,Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Barbara A Blacklaws
- Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom
| | - Khin S A Myint
- Eijkman Institute for Molecular Biology, Jakarta, Indonesia
| | - Simon D W Frost
- Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom.,Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom.,Microsoft Research, Redmond, WA, United States
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13
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Sam IC, Montoya M, Chua CL, Chan YF, Pastor A, Harris E. Low seroprevalence rates of Zika virus in Kuala Lumpur, Malaysia. Trans R Soc Trop Med Hyg 2020; 113:678-684. [PMID: 31294807 DOI: 10.1093/trstmh/trz056] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 05/28/2019] [Accepted: 05/30/2019] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Zika virus (ZIKV) is believed to be endemic in Southeast Asia. However, there have been few Zika cases reported to date in Malaysia, which could be due to high pre-existing levels of population immunity. METHODS To determine Zika virus (ZIKV) seroprevalence in Kuala Lumpur, Malaysia, 1085 serum samples from 2012, 2014-2015 and 2017 were screened for anti-ZIKV antibodies using a ZIKV NS1 blockade-of-binding assay. Reactive samples were confirmed using neutralization assays against ZIKV and the four dengue virus (DENV) serotypes. A sample was possible ZIKV seropositive with a ZIKV 50% neutralization (NT50) titre ≥20. A sample was probable ZIKV seropositive if, in addition, all DENV NT50 titres were <20 or the ZIKV NT50 titre was >4-fold greater than the highest DENV NT50 titre. RESULTS We found low rates of possible ZIKV seropositivity (3.3% [95% confidence interval {CI} 2.4 to 4.6]) and probable ZIKV seropositivity (0.6% [95% CI 0.3 to 1.4]). Possible ZIKV seropositivity was independently associated with increasing age (odds ratio [OR] 1.04 [95% CI 1.02 to 1.06], p<0.0001) and male gender (OR 3.5 [95% CI 1.5 to 8.6], p=0.005). CONCLUSIONS The low ZIKV seroprevalence rate, a proxy for population immunity, does not explain the low incidence of Zika in dengue-hyperendemic Kuala Lumpur. Other factors, such as the possible protective effects of pre-existing flavivirus antibodies or reduced transmission by local mosquito vectors, should be explored. Kuala Lumpur is at high risk of a large-scale Zika epidemic.
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Affiliation(s)
- I-Ching Sam
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Magelda Montoya
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Chong Long Chua
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Yoke Fun Chan
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Andrew Pastor
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Eva Harris
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA, USA
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14
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Ma’roef CN, Dhenni R, Megawati D, Fadhilah A, Lucanus A, Artika IM, Masyeni S, Lestarini A, Sari K, Suryana K, Yudhaputri FA, Jaya UA, Sasmono RT, Ledermann JP, Powers AM, Myint KSA. Japanese encephalitis virus infection in non-encephalitic acute febrile illness patients. PLoS Negl Trop Dis 2020; 14:e0008454. [PMID: 32663209 PMCID: PMC7360021 DOI: 10.1371/journal.pntd.0008454] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 06/05/2020] [Indexed: 11/18/2022] Open
Abstract
Although Japanese encephalitis virus (JEV) is considered endemic in Indonesia, there are only limited reports of JEV infection from a small number of geographic areas within the country with the majority of these being neuroinvasive disease cases. Here, we report cases of JEV infection in non-encephalitic acute febrile illness patients from Bali, Indonesia. Paired admission (S1) and discharge (S2) serum specimens from 144 acute febrile illness patients (without evidence of acute dengue virus infection) were retrospectively tested for anti-JEV IgM antibody and confirmed by plaque reduction neutralization test (PRNT) for JEV infection. Twenty-six (18.1%) patients were anti-JEV IgM-positive or equivocal in their S2 specimens, of which 5 (3.5%) and 8 (5.6%) patients met the criteria for confirmed and probable JEV infection, respectively, based on PRNT results. Notably, these non-encephalitic JE cases were less likely to have thrombocytopenia, leukopenia, and lower hematocrit compared with confirmed dengue cases of the same cohort. These findings highlight the need to consider JEV in the diagnostic algorithm for acute febrile illnesses in endemic areas and suggest that JEV as a cause of non-encephalitic disease has likely been underestimated in Indonesia. Japanese encephalitis virus (JEV) is an important cause of central nervous system (CNS) infections in Asia and is considered endemic in Indonesia. However, reports of JEV infection in non-encephalitic disease cases are lacking because diagnosis is difficult to confirm and JEV is rarely considered as a cause of non-encephalitic disease. Here, with robust serological testing, we identified cases of JEV infection in patients presenting at a regency hospital in Bali with fever but without symptoms of CNS infection. This finding supports the need to include JEV in routine clinical diagnostic algorithms for patients with fever in endemic areas.
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Affiliation(s)
- Chairin Nisa Ma’roef
- Emerging Virus Research Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
| | - Rama Dhenni
- Emerging Virus Research Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
| | - Dewi Megawati
- Faculty of Medicine and Health Sciences, Warmadewa University, Denpasar, Bali, Indonesia
| | - Araniy Fadhilah
- Emerging Virus Research Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
| | - Anton Lucanus
- School of Anatomy, Physiology and Human Biology, University of Western Australia, Perth, Australia
| | - I Made Artika
- Emerging Virus Research Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
- Department of Biochemistry, Faculty of Mathematics and Natural Sciences, Bogor Agricultural University, Bogor, Indonesia
| | - Sri Masyeni
- Faculty of Medicine and Health Sciences, Warmadewa University, Denpasar, Bali, Indonesia
| | - Asri Lestarini
- Faculty of Medicine and Health Sciences, Warmadewa University, Denpasar, Bali, Indonesia
| | - Kartika Sari
- Faculty of Medicine and Health Sciences, Warmadewa University, Denpasar, Bali, Indonesia
| | | | | | - Ungke Anton Jaya
- Emerging Virus Research Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
- Eijkman-Oxford Clinical Research Unit, Eijkman Institute for Molecular Biology Jakarta, Indonesia
| | - R. Tedjo Sasmono
- Dengue Research Unit, Eijkman Institute for Molecular Biology Jakarta, Indonesia
| | - Jeremy P. Ledermann
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, United States of America
| | - Ann M. Powers
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, United States of America
| | - Khin Saw Aye Myint
- Emerging Virus Research Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
- * E-mail: ,
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15
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Raper J, Kovacs-Balint Z, Mavigner M, Gumber S, Burke MW, Habib J, Mattingly C, Fair D, Earl E, Feczko E, Styner M, Jean SM, Cohen JK, Suthar MS, Sanchez MM, Alvarado MC, Chahroudi A. Long-term alterations in brain and behavior after postnatal Zika virus infection in infant macaques. Nat Commun 2020; 11:2534. [PMID: 32439858 PMCID: PMC7242369 DOI: 10.1038/s41467-020-16320-7] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 04/21/2020] [Indexed: 12/18/2022] Open
Abstract
Zika virus (ZIKV) infection has a profound impact on the fetal nervous system. The postnatal period is also a time of rapid brain growth, and it is important to understand the potential neurobehavioral consequences of ZIKV infection during infancy. Here we show that postnatal ZIKV infection in a rhesus macaque model resulted in long-term behavioral, motor, and cognitive changes, including increased emotional reactivity, decreased social contact, loss of balance, and deficits in visual recognition memory at one year of age. Structural and functional MRI showed that ZIKV-infected infant rhesus macaques had persistent enlargement of lateral ventricles, smaller volumes and altered functional connectivity between brain areas important for socioemotional behavior, cognitive, and motor function (e.g. amygdala, hippocampus, cerebellum). Neuropathological changes corresponded with neuroimaging results and were consistent with the behavioral and memory deficits. Overall, this study demonstrates that postnatal ZIKV infection in this model may have long-lasting neurodevelopmental consequences.
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Affiliation(s)
- Jessica Raper
- Yerkes National Primate Research Center, Emory University, Atlanta, GA, USA
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | | | - Maud Mavigner
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
- Center for Childhood Infections and Vaccines of Children's Healthcare of Atlanta and Emory University, Atlanta, GA, USA
| | - Sanjeev Gumber
- Yerkes National Primate Research Center, Emory University, Atlanta, GA, USA
| | - Mark W Burke
- Department of Physiology and Biophysics, Howard University, Washington, DC, USA
| | - Jakob Habib
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Cameron Mattingly
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Damien Fair
- Oregon Health and Science University, Portland, OR, USA
| | - Eric Earl
- Oregon Health and Science University, Portland, OR, USA
| | - Eric Feczko
- Oregon Health and Science University, Portland, OR, USA
| | - Martin Styner
- Department of Psychiatry, University of North Carolina, Chapel Hill, NC, USA
| | - Sherrie M Jean
- Yerkes National Primate Research Center, Emory University, Atlanta, GA, USA
| | - Joyce K Cohen
- Yerkes National Primate Research Center, Emory University, Atlanta, GA, USA
- Psychiatry & Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, USA
| | - Mehul S Suthar
- Yerkes National Primate Research Center, Emory University, Atlanta, GA, USA
- Center for Childhood Infections and Vaccines of Children's Healthcare of Atlanta and Emory University, Atlanta, GA, USA
- Emory Vaccine Center, Atlanta, GA, 30329, USA
| | - Mar M Sanchez
- Yerkes National Primate Research Center, Emory University, Atlanta, GA, USA
- Psychiatry & Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, USA
| | - Maria C Alvarado
- Yerkes National Primate Research Center, Emory University, Atlanta, GA, USA
| | - Ann Chahroudi
- Yerkes National Primate Research Center, Emory University, Atlanta, GA, USA.
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA.
- Center for Childhood Infections and Vaccines of Children's Healthcare of Atlanta and Emory University, Atlanta, GA, USA.
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16
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Natri HM, Bobowik KS, Kusuma P, Crenna Darusallam C, Jacobs GS, Hudjashov G, Lansing JS, Sudoyo H, Banovich NE, Cox MP, Gallego Romero I. Genome-wide DNA methylation and gene expression patterns reflect genetic ancestry and environmental differences across the Indonesian archipelago. PLoS Genet 2020; 16:e1008749. [PMID: 32453742 PMCID: PMC7274483 DOI: 10.1371/journal.pgen.1008749] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 06/05/2020] [Accepted: 03/31/2020] [Indexed: 02/06/2023] Open
Abstract
Indonesia is the world's fourth most populous country, host to striking levels of human diversity, regional patterns of admixture, and varying degrees of introgression from both Neanderthals and Denisovans. However, it has been largely excluded from the human genomics sequencing boom of the last decade. To serve as a benchmark dataset of molecular phenotypes across the region, we generated genome-wide CpG methylation and gene expression measurements in over 100 individuals from three locations that capture the major genomic and geographical axes of diversity across the Indonesian archipelago. Investigating between- and within-island differences, we find up to 10.55% of tested genes are differentially expressed between the islands of Sumba and New Guinea. Variation in gene expression is closely associated with DNA methylation, with expression levels of 9.80% of genes correlating with nearby promoter CpG methylation, and many of these genes being differentially expressed between islands. Genes identified in our differential expression and methylation analyses are enriched in pathways involved in immunity, highlighting Indonesia's tropical role as a source of infectious disease diversity and the strong selective pressures these diseases have exerted on humans. Finally, we identify robust within-island variation in DNA methylation and gene expression, likely driven by fine-scale environmental differences across sampling sites. Together, these results strongly suggest complex relationships between DNA methylation, transcription, archaic hominin introgression and immunity, all jointly shaped by the environment. This has implications for the application of genomic medicine, both in critically understudied Indonesia and globally, and will allow a better understanding of the interacting roles of genomic and environmental factors shaping molecular and complex phenotypes.
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Affiliation(s)
- Heini M. Natri
- Center for Evolution and Medicine, School of Life Sciences, Arizona State University, Tempe, Arizona, United States of America
- The Translational Genomics Research Institute, Phoenix, Arizona, United States of America
| | - Katalina S. Bobowik
- Melbourne Integrative Genomics, University of Melbourne, Parkville, Australia
- School of BioSciences, University of Melbourne, Parkville, Australia
- Centre for Stem Cell Systems, University of Melbourne, Parkville, Australia
| | - Pradiptajati Kusuma
- Genome Diversity and Diseases Laboratory, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
- Complexity Institute, Nanyang Technological University, Singapore, Singapore
| | - Chelzie Crenna Darusallam
- Genome Diversity and Diseases Laboratory, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
| | - Guy S. Jacobs
- Complexity Institute, Nanyang Technological University, Singapore, Singapore
| | - Georgi Hudjashov
- Statistics and Bioinformatics Group, School of Fundamental Sciences, Massey University, Palmerston North, New Zealand
| | - J. Stephen Lansing
- Santa Fe Institute, Santa Fe, New Mexico, United States of America
- Vienna Complexity Science Hub, Vienna, Austria
- Stockholm Resilience Center, Kräftriket, Stockholm, Sweden
| | - Herawati Sudoyo
- Genome Diversity and Diseases Laboratory, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
- Department of Medical Biology, Faculty of Medicine, University of Indonesia, Jakarta, Indonesia
- Sydney Medical School, University of Sydney, Sydney, NSW, Australia
| | - Nicholas E. Banovich
- The Translational Genomics Research Institute, Phoenix, Arizona, United States of America
| | - Murray P. Cox
- Statistics and Bioinformatics Group, School of Fundamental Sciences, Massey University, Palmerston North, New Zealand
| | - Irene Gallego Romero
- Melbourne Integrative Genomics, University of Melbourne, Parkville, Australia
- School of BioSciences, University of Melbourne, Parkville, Australia
- Centre for Stem Cell Systems, University of Melbourne, Parkville, Australia
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17
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Putri ND, Dhenni R, Handryastuti S, Johar E, Ma’roef CN, Fadhilah A, Perma Iskandar AT, Prayitno A, Karyanti MR, Satari HI, Jumiyanti N, Aprilia YY, Sriyani IY, Dewi YP, Yudhaputri FA, Safari D, Hadinegoro SR, Rosenberg R, Powers AM, Aye Myint KS. Absence of Evidence of Zika Virus Infection in Cord Blood and Urine from Newborns with Congenital Abnormalities, Indonesia. Am J Trop Med Hyg 2020; 102:876-879. [PMID: 32043460 PMCID: PMC7124925 DOI: 10.4269/ajtmh.19-0593] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Accepted: 11/20/2019] [Indexed: 11/07/2022] Open
Abstract
Zika virus (ZIKV) has recently been confirmed as endemic in Indonesia, but no congenital anomalies (CA) related to ZIKV infection have been reported. We performed molecular and serological testing for ZIKV and other flaviviruses on cord serum and urine samples collected in October 2016 to April 2017 during a prospective, cross-sectional study of neonates in Jakarta, Indonesia. Of a total of 429 neonates, 53 had CA, including 14 with microcephaly. These 53, and 113 neonate controls without evidence of CA, were tested by ZIKV-specific real-time reverse transcription polymerase chain reaction (RT-PCR), pan-flavivirus RT-PCR, anti-ZIKV and anti-DENV IgM ELISA, and plaque reduction neutralization test. There was no evidence of ZIKV infection among neonates in either the CA or non-CA cohorts, except in three cases with low titers of anti-ZIKV neutralizing antibodies. Further routine evaluation throughout Indonesia of pregnant women and their newborns for exposure to ZIKV should be a high priority for determining risk.
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Affiliation(s)
- Nina Dwi Putri
- Department of Paediatrics, Dr. Cipto Mangunkusumo National Central Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Rama Dhenni
- Emerging Virus Research Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
| | - Setyo Handryastuti
- Department of Paediatrics, Dr. Cipto Mangunkusumo National Central Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Edison Johar
- Emerging Virus Research Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
| | - Chairin Nisa Ma’roef
- Emerging Virus Research Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
| | - Araniy Fadhilah
- Emerging Virus Research Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
| | - Adhi Teguh Perma Iskandar
- Department of Paediatrics, Dr. Cipto Mangunkusumo National Central Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Ari Prayitno
- Department of Paediatrics, Dr. Cipto Mangunkusumo National Central Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Mulya Rahma Karyanti
- Department of Paediatrics, Dr. Cipto Mangunkusumo National Central Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Hindra Irawan Satari
- Department of Paediatrics, Dr. Cipto Mangunkusumo National Central Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Niphidiah Jumiyanti
- Department of Paediatrics, Dr. Cipto Mangunkusumo National Central Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Yuni Yudha Aprilia
- Department of Paediatrics, Dr. Cipto Mangunkusumo National Central Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Ida Yus Sriyani
- Emerging Virus Research Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
| | - Yora Permata Dewi
- Emerging Virus Research Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
| | | | - Dodi Safari
- Emerging Virus Research Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
| | - Sri Rezeki Hadinegoro
- Department of Paediatrics, Dr. Cipto Mangunkusumo National Central Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Ronald Rosenberg
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado
| | - Ann M. Powers
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado
| | - Khin Saw Aye Myint
- Emerging Virus Research Unit, Eijkman Institute for Molecular Biology, Jakarta, Indonesia
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18
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Pielnaa P, Al-Saadawe M, Saro A, Dama MF, Zhou M, Huang Y, Huang J, Xia Z. Zika virus-spread, epidemiology, genome, transmission cycle, clinical manifestation, associated challenges, vaccine and antiviral drug development. Virology 2020; 543:34-42. [PMID: 32056845 DOI: 10.1016/j.virol.2020.01.015] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 01/21/2020] [Accepted: 01/27/2020] [Indexed: 12/27/2022]
Abstract
Zika Virus (ZIKV) is a Flavivirus transmitted primarily via the bite of infected Aedes aegypti mosquitoes. Globally, 87 countries and territories have recorded autochthonous mosquito-borne transmission of ZIKV as at July 2019 and distributed across four of the six WHO Regions. Outbreaks of ZIKV infection peaked in 2016 and declined substantially throughout 2017 and 2018 in the Americas region. There is the likely risk for ZIKV to spread to more countries. There is also the potential for the re-emergence of ZIKV in all places with prior reports of the virus transmission. The current status of ZIKV transmission and spread is, however, a global health threat, and from the aforementioned, has the potential to re-emerge as an epidemic. This review summarizes the past and present spread of ZIKV outbreak-2007-2019, the genome, transmission cycle, clinical manifestations, vaccine and antiviral drug advancement.
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Affiliation(s)
- Paul Pielnaa
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, 410013, China
| | - Moyed Al-Saadawe
- Department of Cell Biology, School of Life Sciences, Central South University, Changsha, 410013, China
| | - Adonira Saro
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, 410013, China
| | | | - Mei Zhou
- Department of Cell Biology, School of Life Sciences, Central South University, Changsha, 410013, China
| | - Yanxia Huang
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, 410013, China
| | - Jufang Huang
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha, 410013, China; School of Life Sciences, Central South University, Changsha, 410013, China.
| | - Zanxian Xia
- Department of Cell Biology, School of Life Sciences, Central South University, Changsha, 410013, China; Hunan Key Laboratory of Animal Models for Human Diseases, Hunan Key Laboratory of Medical Genetics & Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, 410013, China.
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19
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Chien YW, Ho TC, Huang PW, Ko NY, Ko WC, Perng GC. Low seroprevalence of Zika virus infection among adults in Southern Taiwan. BMC Infect Dis 2019; 19:884. [PMID: 31646973 PMCID: PMC6813068 DOI: 10.1186/s12879-019-4491-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Accepted: 09/23/2019] [Indexed: 12/22/2022] Open
Abstract
Background We recently conducted a serosurvey of newly arrived workers in Taiwan from four Southeast Asian countries which revealed that 1% of the migrant workers had laboratory-confirmed recent Zika virus (ZIKV) infection. Taiwan, where Aedes mosquitoes are prevalent, has a close relationship with Southeast Asian countries. Up to now, 21 imported cases of ZIKV infection have been reported in Taiwan, but there has been no confirmed indigenous case. The aim of this serosurvey was to assess whether there was unrecognized ZIKV infections in Taiwan. Methods A total of 212 serum samples collected in a cross-sectional seroepidemiologic study conducted during the end of the 2015 dengue epidemic in Tainan, Taiwan, were analyzed. Anti-ZIKV IgM and IgG were tested using commercial enzyme-linked immunosorbent assays (ELISAs). Plaque reduction neutralization tests (PRNTs) for ZIKV and four dengue virus (DENV) serotypes were performed for samples with positive anti-ZIKV antibodies. A confirmed case of ZIKV infection was defined by ZIKV PRNT90 titer ratio ≥ 4 compared to four DENV serotypes. Results The mean age of the 212 participants was 54.0 years (standard deviation 13.7 years), and female was predominant (67.0%). Anti-ZIKV IgM and IgG were detected in 0 (0%) and 9 (4.2%) of the 212 participants, respectively. For the 9 samples with anti-ZIKV IgG, only 1 sample had 4 times higher ZIKV PRNT90 titers compared to PRNT90 titers against four dengue virus serotypes; this individual denied having traveled abroad. Conclusions The results suggest that undetected indigenous ZIKV transmission might have occurred in Taiwan. The findings also suggest that the threat of epidemic transmission of ZIKV in Taiwan does exist due to extremely low-level of herd immunity. Our study also indicates that serological tests for ZIKV-specific IgG remain a big challenge due to cross-reactivity, even in dengue non-endemic countries.
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Affiliation(s)
- Yu-Wen Chien
- Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Occupational and Environmental Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Tzu-Chuan Ho
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Pei-Wen Huang
- Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Nai-Ying Ko
- Department of Nursing, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Wen-Chien Ko
- Department of Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Guey Chuen Perng
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan. .,Department of Microbiology and Immunology, College of Medicine, National Cheng Kung University, No. 1, University Road, Tainan, 70101, Taiwan. .,Center of Infectious Disease and Signaling Research, National Cheng Kung University, Tainan, Taiwan.
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20
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Werner SL, Banda BK, Burnsides CL, Stuber AJ. Zoonosis: Update on Existing and Emerging Vector-Borne Illnesses in the USA. CURRENT EMERGENCY AND HOSPITAL MEDICINE REPORTS 2019; 7:91-106. [PMID: 32288973 PMCID: PMC7102350 DOI: 10.1007/s40138-019-00189-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
PURPOSE OF REVIEW This review describes mosquito- and tick-borne diseases found in the Western Hemisphere. It focuses on emerging diseases and recent geographic shifts in the presence of disease vectors. RECENT FINDINGS Mosquito and tick vectors have become more widespread as environmental conditions have become more favorable. Zika recently has emerged as a concern for fetal anomalies. West Nile Virus has become widespread. Lyme disease and other tick-borne diseases are more prevalent in areas previously inhospitable to these ticks. SUMMARY Healthcare providers must consider the possibility of mosquito- and tick-borne diseases in broader geographic areas and council patients traveling to endemic areas on precautions against these diseases. Treatment for suspected cases of serious tick-borne illnesses should not be delayed pending culture results.
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Affiliation(s)
- Sandra Lee Werner
- MetroHealth/Cleveland Clinic/CWRU Emergency Medicine Residency Program, Department of Emergency Medicine, MetroHealth Medical Center, 2500 MetroHealth Drive, Cleveland, OH 44109 USA
| | - Bhanu Kirthi Banda
- MetroHealth/Cleveland Clinic/CWRU Emergency Medicine Residency Program, Department of Emergency Medicine, MetroHealth Medical Center, 2500 MetroHealth Drive, Cleveland, OH 44109 USA
| | - Christopher Lee Burnsides
- MetroHealth/Cleveland Clinic/CWRU Emergency Medicine Residency Program, Department of Emergency Medicine, MetroHealth Medical Center, 2500 MetroHealth Drive, Cleveland, OH 44109 USA
| | - Alexander James Stuber
- MetroHealth/Cleveland Clinic/CWRU Emergency Medicine Residency Program, Department of Emergency Medicine, MetroHealth Medical Center, 2500 MetroHealth Drive, Cleveland, OH 44109 USA
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21
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Harapan H, Rajamoorthy Y, Utomo PS, Anwar S, Setiawan AM, Alleta A, Bambang A, Ramadana MR, Ikram I, Wahyuniati N, Maulana R, Ichsan I, Indah R, Wagner AL, Kuch U, Groneberg DA, Rodríguez-Morales AJ, Andalas M, Müller R, Mudatsir M, Imrie A. Knowledge and attitude towards pregnancy-related issues of Zika virus infection among general practitioners in Indonesia. BMC Infect Dis 2019; 19:693. [PMID: 31387537 PMCID: PMC6683397 DOI: 10.1186/s12879-019-4297-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2018] [Accepted: 07/18/2019] [Indexed: 03/20/2023] Open
Abstract
Background The aim of this study was to assess the knowledge and attitudes towards pregnancy-related issues of Zika virus (ZIKV) infection among general practitioners (GPs), a frontline healthcare worker group, in Indonesia. Methods A cross-sectional, online survey assessing knowledge and attitudes towards ZIKV infection on multiple-item scales was sent to GPs in the Sumatra and Java islands of Indonesia. The associations between independent factors and either knowledge or attitude were assessed with logistic regressions. The correlation and association between knowledge and attitude were estimated. Results We included 457 (53.7%) out of 850 responses in the analysis. Among these, 304 (66.5%) and 111 (24.2%) respondents had a good knowledge and attitude, respectively. No demographic, workplace, professional development, or experiential characteristics related to ZIKV infection were associated with knowledge. In the multivariate analysis, only contact experience was associated with attitude. There was a significant, positive correlation between knowledge and attitude scores. Conclusions Although knowledge of pregnancy-related complications of ZIKV infection is relatively high among GPs in Indonesia, more than 75% of them had a poor attitude towards pregnancy-related issues of Zika. Strategies for enhancing the capacity of GPs to develop positive attitudes and respond to ZIKV infection are needed. Electronic supplementary material The online version of this article (10.1186/s12879-019-4297-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Harapan Harapan
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia. .,Tropical Disease Centre, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia. .,Department of Microbiology, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia. .,School of Biomedical Sciences, The University of Western Australia, Nedlands, Australia.
| | | | - Prattama S Utomo
- Department of Medical Education, Faculty of Medicine, Gadjah Mada University, Jogjakarta, Indonesia
| | - Samsul Anwar
- Department of Statistics, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Abdul M Setiawan
- Department of Microbiology, Faculty of Medicine and Health Sciences, Maulana Malik Ibrahim State Islamic University of Malang, Malang, Indonesia
| | - Alma Alleta
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia.,Department of Family Medicine, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Alfredo Bambang
- Department of Microbiology, School of Medicine, Atma Jaya Catholic University of Indonesia, Jakarta, Indonesia
| | - Muhammad R Ramadana
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Ikram Ikram
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Nur Wahyuniati
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Reza Maulana
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Ichsan Ichsan
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia.,Tropical Disease Centre, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia.,Department of Microbiology, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Rosaria Indah
- Medical Education Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia.,Sydney School of Education and Social Work, Faculty of Arts and Social Sciences, The University of Sydney, Sydney, Australia
| | - Abram L Wagner
- Department of Epidemiology, University of Michigan, Ann Arbor, MI, USA
| | - Ulrich Kuch
- Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Goethe University, Frankfurt am Main, Germany
| | - David A Groneberg
- Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Goethe University, Frankfurt am Main, Germany
| | - Alfonso J Rodríguez-Morales
- Public Health and Infection Research Incubator and Group, Faculty of Health Sciences, Universidad Tecnológica de Pereira, Pereira, Risaralda, Colombia.,Research Group Medical and Diagnostic Images (GRIMEID), IPS Imágenes Diagnósticas S.A, Pereira, Risaralda, Colombia
| | - Mohd Andalas
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia.,Department of Obstetrics and Gynecology, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | - Ruth Müller
- Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Goethe University, Frankfurt am Main, Germany.,Unit of Medical Entomology, Institute of Tropical Medicine, Antwerp, Belgium
| | - Mudatsir Mudatsir
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia. .,Tropical Disease Centre, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia. .,Department of Microbiology, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia.
| | - Allison Imrie
- School of Biomedical Sciences, The University of Western Australia, Nedlands, Australia
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Honein MA, Cetron MS, Meaney-Delman D. Endemic Zika virus transmission: implications for travellers. THE LANCET. INFECTIOUS DISEASES 2019; 19:349-351. [PMID: 30826191 PMCID: PMC7494059 DOI: 10.1016/s1473-3099(18)30793-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 12/04/2018] [Indexed: 10/27/2022]
Affiliation(s)
- Margaret A Honein
- National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA.
| | - Martin S Cetron
- National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
| | - Dana Meaney-Delman
- National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
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23
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Harapan H, Mudatsir M, Yufika A, Nawawi Y, Wahyuniati N, Anwar S, Yusri F, Haryanti N, Wijayanti NP, Rizal R, Fitriani D, Maulida NF, Syahriza M, Ikram I, Fandoko TP, Syahadah M, Asrizal FW, Aletta A, Jamil KF, Rajamoorthy Y, Hadisoemarto PF, Wagner AL, Groneberg DA, Kuch U, Sasmono RT, Müller R, Imrie A. Community acceptance and willingness-to-pay for a hypothetical Zika vaccine: A cross-sectional study in Indonesia. Vaccine 2019; 37:1398-1406. [PMID: 30739794 DOI: 10.1016/j.vaccine.2019.01.062] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 01/22/2019] [Accepted: 01/29/2019] [Indexed: 10/27/2022]
Abstract
BACKGROUND Understanding people's perceptions of the economic benefits of a potential Zika vaccine (ZV) is critical to accelerating its introduction into either public sector programs or private market. The aim of this study was to assess the acceptance and willingness-to-pay (WTP) for a hypothetical ZV and the associated explanatory variables in Indonesia. METHODS We conducted a health facility-based cross-sectional study in Aceh and West Sumatra province from 1 February to 13 June 2018. Patients who visited outpatient departments, have had children or were expecting their first child, were approached and interviewed to collect information on acceptance, WTP, demographic and socio-economic variables and attitudes towards childhood vaccines. Associations of explanatory variables influencing acceptance and WTP were assessed using logistic regression and linear regression analysis, respectively. RESULTS In total, 956 respondents were included in the final analysis of acceptance, of whom 338 (35.3%) expressed their WTP. We found that 757 (79.1%) of the respondents were likely to be vaccinated and to recommend their partner to be vaccinated. Higher educational attainment, having a job, having heard about Zika and a good attitude towards childhood vaccination were associated with ZV acceptance in the univariate analyses. In the multivariate analysis, attitude towards childhood vaccination was the strongest predictor for ZV vaccination. We found the geometric mean and median of WTP was US$ 13.1 (95% CI: 11.37-15.09) and US$ 7.0 (95% CI: 4.47-10.98), respectively. In the final model, having heard about Zika, having a job, and higher income were associated with a higher WTP. CONCLUSION Although the acceptance rate of the ZV is relatively high in Indonesia, less than 40% of respondents are willing to pay, underscoring the need for a low-cost, high-quality vaccine and public sector subsidies for Zika vaccinations in the country.
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Affiliation(s)
- Harapan Harapan
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Aceh, Indonesia; Tropical Disease Centre, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Aceh, Indonesia; Department of Microbiology, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Aceh, Indonesia; School of Biomedical Sciences, University of Western Australia, Nedlands, Western Australia, Australia.
| | - Mudatsir Mudatsir
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Aceh, Indonesia; Tropical Disease Centre, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Aceh, Indonesia; Department of Microbiology, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Aceh, Indonesia
| | - Amanda Yufika
- Department of Family Medicine, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Aceh, Indonesia
| | - Yusuf Nawawi
- Department of Family Medicine, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Aceh, Indonesia
| | - Nur Wahyuniati
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Aceh, Indonesia
| | - Samsul Anwar
- Department of Statistics, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh, Aceh, Indonesia
| | - Fitria Yusri
- School of Medicine, Malikussaleh University, Lhokseumawe, Aceh, Indonesia
| | - Novi Haryanti
- Community Health Centre of Meurah Mulia, North Aceh, Aceh, Indonesia
| | | | - Rizal Rizal
- Bunda Hospital, Lhokseumawe, Aceh, Indonesia
| | - Devi Fitriani
- Community Health Centre of Teunom, Aceh Jaya, Aceh, Indonesia
| | | | - Muhammad Syahriza
- Department of Public Health and Community Medicine, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Aceh, Indonesia
| | - Ikram Ikram
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Aceh, Indonesia
| | - Try Purwo Fandoko
- Community Health Centre of Gunung, Padang Panjang, West Sumatra, Indonesia
| | - Muniati Syahadah
- Community Health Centre of Lima Kaum, Tanah Datar, West Sumatra, Indonesia
| | | | - Alma Aletta
- Department of Family Medicine, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Aceh, Indonesia
| | - Kurnia Fitri Jamil
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Aceh, Indonesia; Department of Internal Medicine, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Aceh, Indonesia
| | | | | | | | - David Alexander Groneberg
- Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Goethe University, Frankfurt am Main, Germany
| | - Ulrich Kuch
- Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Goethe University, Frankfurt am Main, Germany
| | | | - Ruth Müller
- Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Goethe University, Frankfurt am Main, Germany; Unit of Medical Entomology, Institute of Tropical Medicine, Antwerp, Belgium
| | - Allison Imrie
- School of Biomedical Sciences, University of Western Australia, Nedlands, Western Australia, Australia
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Detection of central nervous system viral infections in adults in Manado, North Sulawesi, Indonesia. PLoS One 2018; 13:e0207440. [PMID: 30444898 PMCID: PMC6239303 DOI: 10.1371/journal.pone.0207440] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 10/31/2018] [Indexed: 02/08/2023] Open
Abstract
Central nervous system (CNS) viral infections are important causes of morbidity and mortality worldwide but the systematic survey of patients admitted to hospitals with CNS infections in many countries, including Indonesia, is limited. To obtain more information regarding the causes of CNS infections in Indonesia, this study was performed to detect and identify viral agents associated with CNS infections amongst in-patients at a referral hospital in Manado, North Sulawesi, Indonesia. Adult patients admitted to R.D. Kandou General Hospital with presumed CNS infection were enrolled. Cerebrospinal fluid, serum, and throat swab samples were collected and tested using molecular, serological, and virus isolation assays. A confirmed viral etiology was established in three and a probable/possible in 11 out of 74 patients. The most common was herpes simplex virus 1 (7/74, 9.5%), followed by Epstein-Barr virus (2/74, 2.7%), cytomegalovirus (1/74, 1.4%), enterovirus D68 (1/74, 1.4%), rhinovirus A (1/74, 1.4%), dengue virus (1/64, 1.6%), and Japanese encephalitis virus (1/64, 1.6%). There were 20 fatal cases (27.0%) during hospitalization in which eight were associated with viral causes. We identified herpes simplex virus 1 as the most common cause of CNS infection among adults in North Sulawesi with most of the cases remaining undiagnosed. Our study highlights the challenges in establishing the etiology of viral CNS infections and the importance of using a wide range of molecular and serological detection methods to identify CNS viruses.
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