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Article

Spatiotemporal Dynamics of Highly Pathogenic Avian Influenza Subtype H5N8 in Poultry Farms, South Korea

1
College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea
2
Department of Geography Education, Kangwon National University, Chuncheon 24341, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Sang heui Seo
Received: 19 January 2021 / Revised: 7 February 2021 / Accepted: 8 February 2021 / Published: 10 February 2021
Highly pathogenic avian influenza (HPAI), a zoonotic disease, is a major threat to humans and poultry health worldwide. In January 2014, HPAI virus subtype H5N8 first infected poultry farms in South Korea, and 393 outbreaks, overall, were reported with enormous economic damage in the poultry industry. We analyzed the spatiotemporal distribution of HPAI H5N8 outbreaks in poultry farms using the global and local spatiotemporal interaction analyses in the first (January to July 2014) and second (September 2014 to June 2015) outbreak waves. The space–time K-function analyses revealed significant interactions within three days and in an over-40 km space–time window between the two study periods. The excess risk attributable value (D0) was maintained despite the distance in the case of HPAI H5N8 in South Korea. Eleven spatiotemporal clusters were identified, and the results showed that the HPAI introduction was from the southwestern region, and spread to the middle region, in South Korea. This spatiotemporal interaction indicates that the HPAI epidemic in South Korea was mostly characterized by short period transmission, regardless of the distance. This finding supports strict control strategies such as preemptive depopulation, and poultry movement tracking. Further studies are needed to understand HPAI disease transmission patterns. View Full-Text
Keywords: avian influenza; H5N8 subtype; South Korea; spatiotemporal analysis avian influenza; H5N8 subtype; South Korea; spatiotemporal analysis
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MDPI and ACS Style

Kim, W.-H.; Bae, S.H.; Cho, S. Spatiotemporal Dynamics of Highly Pathogenic Avian Influenza Subtype H5N8 in Poultry Farms, South Korea. Viruses 2021, 13, 274. https://0-doi-org.brum.beds.ac.uk/10.3390/v13020274

AMA Style

Kim W-H, Bae SH, Cho S. Spatiotemporal Dynamics of Highly Pathogenic Avian Influenza Subtype H5N8 in Poultry Farms, South Korea. Viruses. 2021; 13(2):274. https://0-doi-org.brum.beds.ac.uk/10.3390/v13020274

Chicago/Turabian Style

Kim, Woo-Hyun, Sun H. Bae, and Seongbeom Cho. 2021. "Spatiotemporal Dynamics of Highly Pathogenic Avian Influenza Subtype H5N8 in Poultry Farms, South Korea" Viruses 13, no. 2: 274. https://0-doi-org.brum.beds.ac.uk/10.3390/v13020274

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