Zoonotic flavivirus exposure in peri-urban and suburban pig-keeping in Hanoi, Vietnam, and the knowledge and preventive practices of pig farmers

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dc.creatorLong Pham-Thanh
dc.creatorThang Nguyen-Tien
dc.creatorMagnusson, Ulf
dc.creatorVuong Nghia Bui
dc.creatorAnh Ngoc Bui
dc.creatorLundkvist, Å.
dc.creatorDuoc Trong Vu
dc.creatorSon Hai Tran
dc.creatorMinh Xuan Can
dc.creatorHung Nguyen-Viet
dc.creatorLindahl, Johanna F.
dc.date2022-05-19
dc.date2022-05-30T09:35:53Z
dc.date2022-05-30T09:35:53Z
dc.date.accessioned2026-06-27T16:52:09Z
dc.descriptionMosquito-borne diseases (MBDs), including those caused by flaviviruses, remain human health problems for developing and urbanizing economies. This cross-sectional study examined risks of flavivirus exposure through a survey regarding knowledge and practices of pig farmers, and serological analysis of pigs in peri-urban and suburban Hanoi city. A total of 636 pig sera from 179 pig farms in 4 districts, namely, Chuong My, Dan Phuong, Ha Dong, and Bac Tu Liem, were analyzed by a competitive ELISA designed for flavivirus antibody detection. The results indicated a low level of awareness about MBDs among pig farmers, and a high seroprevalence in pigs at 88.5% (95%CI = 85.8–90.9%). Moreover, common practices of pig owners to prevent mosquitoes at home and farm did not show a significant reduction in flavivirus exposure in pigs. At animal level, significant associations between seropositive pigs and the farms with more than 60 pigs, and the district location were found. Farm-level multivariable analysis did not identify significant risk factors for flavivirus exposure. The study suggests that improving awareness of pig owners about MBDs in Hanoi city may be warranted to reduce the risk for MBD flavivirus infections in both humans and pigs.
dc.identifierhttps://hdl.handle.net/10568/119685
dc.identifier.urihttp://hdl.handle.net/123456789/135584
dc.languageen
dc.publisherMDPI
dc.rightsOpen Access
dc.sourceLong Pham-Thanh, Thang Nguyen-Tien, Magnusson, U., Vuong Nghia Bui, Anh Ngoc Bui, Lundkvist, Å., Duoc Trong Vu, Son Hai Tran, Minh Xuan Can, Hung Nguyen-Viet and Lindahl, J.F. 2022. Zoonotic flavivirus exposure in peri-urban and suburban pig-keeping in Hanoi, Vietnam, and the knowledge and preventive practices of pig farmers. Tropical Medicine and Infectious Disease 7(5): 79.
dc.subjectswine
dc.subjectanimal production
dc.subjectzoonoses
dc.subjectflavivirus
dc.subjectdisease control
dc.titleZoonotic flavivirus exposure in peri-urban and suburban pig-keeping in Hanoi, Vietnam, and the knowledge and preventive practices of pig farmers
dc.typeJournal Article

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