24.03.2017

China reported a highly pathogenic H7N9 outbreak at a poultry farm (layers) near the city of Yongzhou in Hunan province. The avian influenza virus strain involved is a highly pathogenic H7N9. The outbreak involving the highly pathogenic form of H7N9 is the first to be confirmed on a poultry farm. In late February, China reported that several samples from birds at live-poultry markets in neighboring Guangdong province were positive for the virus.
Until this year, only the low-pathogenic form the virus had been found in Chinese poultry.