Updates of worldwide avian influenza situation by FAO/EMPRES-AH (Sep 2019)

FAO/EMPRES-AH is constantly monitoring the avian influenza situation worldwide andcompiles information from multiple national and international sources as well as peer-reviewed scientific articles. Close collaboration with country and regional offices, the implementation of avian influenza field surveillance projects, and networks of expertise like OIE/FAO’s OFFLU (www.offlu.net) provide access to timely information on outbreaks, surveillance findings, and genetic similarities of circulating viruses or their virological features. This information is stored in the EMPRES Global Animal Disease Information System (EMPRES-i), a database that can be accessed online at empres-i.fao.org.

During the period 5 June to 5 September 2019, two different avian influenza virus subtypes have been reported in South-East Asia, both highly pathogenic in poultry (H5N2 and H5N6 HPAI). In Taiwan, Province of China, 23 outbreaks in poultry were confirmed to be caused by H5N2 HPAI affecting a range of domestic species, including  ducks, geese, and turkeys. H5N6 HPAI caused two poultry outbreaks in Viet Nam’s Ba Ria-Vung Tau and Thai Binh provinces. In addition, one human case was reported in Beijing Municipality, China.

Highly pathogenic H5N2 and H5N6 viruses have also demonstrated the ability to spread via migratory water birds.

We consider avian influenza activity to be highest in the period from December to March, thus reports of outbreaks in poultry or detections in wild birds and humans are expected to increase over the coming months in the region.

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