Journal article

Spatiotemporal and risk analysis of H5 highly pathogenic avian influenza in Vietnam, 2014-2017

Thanh Nguyen Lam, Mark A Stevenson, Simon M Firestone, Leslie D Sims, Huy Chu Duc, Van Nguyen Long, Ngoc Nguyen Tien, Trung Le Kien, Norikazu Isoda, Keita Matsuno, Masatoshi Okamatsu, Hiroshi Kida, Yoshihiro Sakoda



The aim of this study was to describe the spatiotemporal distribution of H5 HPAI outbreak reports for the period 2014-2017 and to identify factors associated with H5 HPAI outbreak reports. Throughout the study period, a total of 139 outbreaks of H5 HPAI in poultry were reported, due to either H5N1 (96 outbreaks) or H5N6 (43 outbreaks) subtype viruses. H5N1 HPAI outbreaks occurred in all areas of Vietnam while H5N6 HPAI outbreaks were only reported in the northern and central provinces. We counted the number of H5N1 and H5N6 outbreak report-positive districts per province over the four-year study period and calculated the provincial-level standardized morbidity ratio for H5N1 and H5N6 outbrea..

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Awarded by Australian Research Council

Funding Acknowledgements

We are grateful to the Vietnamese Department of Animal Health (DAH). We sincerely thank Drs. Pham Van Dong and Nguyen Thu Thuy from DAH for their supports. We also thank the Program for Leading Graduate Schools (F01) from the Japanese Society for the Promotion of Science (JSPS) and the Japanese Initiative for Global Research Network on Infectious Diseases (J-GRID) from the Japanese Agency for Medical Research and Development (AMED) for supporting our international collaborative activities. Simon Firestone is support by an Australian Research Council Discovery Early Career Researcher Award (DE160100477).