Further testing could confirm whether the patient, who has since recovered, actually had bird flu despite testing positive.

A panther, three lions and 47 tigers have died from bird flu in zoos in southern Vietnam, further raising concerns about the ...

Hospital workers reported respiratory symptoms after encountering a Missouri patient with H5N1 who had not been exposed to ...

Dozens of tigers have died in zoos in south Vietnam after a bird flu outbreak, according to state media. Three lions and a ...

Hungary and Italy have both reported an outbreak of the severe H5N1 avian influenza virus in the first such cases in the ...

Dozens of tigers and lions in captivity died in the past month in southern Vietnam with tests showing they were positive for ...

Chances are low that human-to-human spread of bird flu occurred in a group of people who were exposed to a patient infected ...

Missouri officials are under growing pressure from national public health experts to pinpoint the source of the state’s first ...

Presidents always seem to have a crisis to deal with. George W. Bush had 9/11. Barack Obama had the Great Recession. Donald ...

The World Health Organization says there have been increasing reports of deadly outbreaks among mammals caused by influenza ...

The United States is in the middle of an unprecedented bout of bird flu, also known as H5N1. Since 2022, the virus has killed ...

"Even sporadic cases of human-to-human transmission indicate a big change in the virus and suggest it is exploring new ...