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Dinh TC, Bac ND, Minh LB, Ngoc VTN, Pham VH, Vo HL, Tien NLB, Van Thanh V, Tao Y, Show PL, Chu DT. Zika virus in Vietnam, Laos, and Cambodia: are there health risks for travelers? Eur J Clin Microbiol Infect Dis 2019; 38:1585-1590. [PMID: 31044332 DOI: 10.1007/s10096-019-03563-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 04/09/2019] [Indexed: 11/29/2022]
Abstract
Vietnam, Laos, and Cambodia have reported first cases of Zika virus (ZIKV) infection since 2010 (Cambodia) and 2016 (Vietnam and Laos). One case of ZIKV-related microcephaly was recognized among a hundred infected cases in these areas, raising a great concern about the health risk related to this virus infection. At least 5 cases of ZIKV infection among travelers to Vietnam, Laos, and Cambodia were recorded. It is noticeable that ZIKV in these areas can cause birth defects. This work aims to discuss the current epidemics of ZIKV in Vietnam, Laos, and Cambodia and update the infection risk of ZIKV for travelers to these areas.
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Affiliation(s)
- Thien Chu Dinh
- Institute for Research and Development, Duy Tan University, 03 QuangTrung, Danang, Vietnam
| | | | - Le Bui Minh
- NTT Hi-tech Institute, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh St., Ward 13, District 4, Ho Chi Minh City, Vietnam
| | | | - Van-Huy Pham
- AI Lab, Faculty of Information Technology, Ton Duc Thang University, Ho Chi Minh City, Vietnam.
| | - Hoang-Long Vo
- Institute for Preventive Medicine & Public Health, Hanoi Medical University, Hanoi, Vietnam
| | - Nguyen Le Bao Tien
- Institute of Orthopaedics and Trauma Surgery, Viet Duc Hospital, Hanoi, Vietnam
| | - Vo Van Thanh
- Institute of Orthopaedics and Trauma Surgery, Viet Duc Hospital, Hanoi, Vietnam
| | - Yang Tao
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 8, 210095, China
| | - Pau Loke Show
- Department of Chemical and Environmental Engineering, Faculty of Engineering, University of Nottingham Malaysia Campus, JalanBroga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia
| | - Dinh-Toi Chu
- School of Odonto Stomatology, Hanoi Medical University, Hanoi, Vietnam.
- Faculty of Biology, Hanoi National University of Education, Hanoi, Vietnam.
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Leder K, Grobusch MP, Gautret P, Chen LH, Kuhn S, Lim PL, Yates J, McCarthy AE, Rothe C, Kato Y, Bottieau E, Huber K, Schwartz E, Stauffer W, Malvy D, Shaw MTM, Rapp C, Blumberg L, Jensenius M, van Genderen PJJ, Hamer DH. Zika beyond the Americas: Travelers as sentinels of Zika virus transmission. A GeoSentinel analysis, 2012 to 2016. PLoS One 2017; 12:e0185689. [PMID: 28973011 PMCID: PMC5626466 DOI: 10.1371/journal.pone.0185689] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Accepted: 09/18/2017] [Indexed: 11/29/2022] Open
Abstract
Background Zika virus (ZIKV) was first isolated in Africa; decades later, caused large outbreaks in the Pacific, and is considered endemic in Asia. We aim to describe ZIKV disease epidemiology outside the Americas, the importance of travelers as sentinels of disease transmission, and discrepancies in travel advisories from major international health organizations. Methods and findings This descriptive analysis using GeoSentinel Surveillance Network records involves sixty-four travel and tropical medicine clinics in 29 countries. Ill returned travelers with a confirmed or probable diagnosis of ZIKV disease acquired in Africa, Asia and the Pacific seen between 1 January 2012 and 31 December 2016 are included, and the frequencies of demographic, trip, and diagnostic characteristics described. ZIKV was acquired in Asia (18), the Pacific (10) and Africa (1). For five countries (Indonesia, Philippines, Thailand, Vietnam, Cameroon), GeoSentinel patients were sentinel markers of recent Zika activity. Additionally, the first confirmed ZIKV infection acquired in Kiribati was reported to GeoSentinel (2015), and a probable case was reported from Timor Leste (April 2016), representing the only case known to date. Review of Zika situation updates from major international health authorities for country risk classifications shows heterogeneity in ZIKV country travel advisories. Conclusions Travelers are integral to the global spread of ZIKV, serving as sentinel markers of disease activity. Although GeoSentinel data are collected by specialized clinics and do not capture all imported cases, we show that surveillance of imported infections by returned travelers augments local surveillance system data regarding ZIKV epidemiology and can assist with risk categorization by international authorities. However, travel advisories are variable due to risk uncertainties.
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Affiliation(s)
- Karin Leder
- School of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
- Victorian Infectious Disease Service, Royal Melbourne Hospital at the Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
- * E-mail:
| | - Martin P. Grobusch
- Center of Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Division of Internal Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Philippe Gautret
- Aix Marseille Université, UM63, CNRS 7278, IRD 198, INSERM 1095, IHU Méditerranée Infection, Marseillle, France
| | - Lin H. Chen
- Travel Medicine Center, Mount Auburn Hospital, Cambridge, Massachusetts, United States of America
- Harvard Medical School, Boston, Massachusetts, United States of America
| | | | - Poh Lian Lim
- Institute of Infectious Disease & Epidemiology, Tan Tock Seng Hospital, Singapore, Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
| | - Johnnie Yates
- Hawaii Permenente Medical Group, Honolulu, Hawaii, United States of America
| | - Anne E. McCarthy
- Department of Medicine, The Ottawa Hospital, Ottawa, Canada
- University of Ottawa, Ottawa, Canada
| | - Camilla Rothe
- University of Hamburg, Division of Tropical Medicine and Infectious Diseases, Hamburg, Germany
| | - Yasuyuki Kato
- Division of Preparedness and Emerging Infections, Disease Control and Prevention Center, National Center for Global Health and Medicine, Tokyo, Japan
| | - Emmanuel Bottieau
- Department of Clinical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
| | - Kristina Huber
- Division of Infectious Diseases and Tropical Medicine, Medical Center of the University of Munich (LMU), Munich, Germany
| | - Eli Schwartz
- Center for Geographic Medicine and Tropical Diseases, Chaim Sheba Medical Center, Tel Hashomer, Tel Aviv, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - William Stauffer
- Department of Medicine and Pediatrics, Infectious Diseases and Internal Medicine, University of Minnesota, Minnesota, United States of America
| | - Denis Malvy
- University Hospital Center & Inserm 1219, University of Bordeaux, Bordeaux, France
| | | | - Christophe Rapp
- CMETE Travel Clinic Paris, Department of Infectious and Tropical Diseases, Begin Military Hospital, Saint-Mandé, France
| | - Lucille Blumberg
- National Institute for Communicable Diseases, Johannesburg, South Africa
| | - Mogens Jensenius
- Department of Infectious Diseases, Oslo University Hospital, Oslo, Norway
| | | | - Davidson H. Hamer
- Department of Global Health and Center for Global Health and Development, Boston University School of Public Health, Boston, Massachusetts, United States of America
- Section of Infectious Diseases, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts, United States of America
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