The World Organization for Animal Health (OIE) has received multiple reports from countries in Asia and Europe regarding a recent spread of bird flu, giving rise to concerns that the virus may be spreading again. Bird flu, or avian influenza, is a viral disease that affects both domestic and wild birds. The virus has also…

BEIJING—A jump in the number of people in China infected with bird flu this year is raising concern among experts, who say a previously circulating strain appears to have changed and may be more infectious to people. China has reported 21 human infections with the H5N6 subtype of avian influenza in 2021 to the World…

BEIJING—The health authority in southern China’s Guangdong province said on Wednesday that a single case of a human being infected with the H5N6 strain of bird flu has been reported in the city of Dongguan. The infected patient, a 53-year-old male, is being treated in hospital, the Health Commission of Guangdong Province said in a…