A 13-year-old girl in British Columbia who was hospitalized with bird flu for several weeks late last year harbored a mutated version of the virus, according to a report published this week in the New England Journal of Medicine.

Humans infected with bird flu display a wide range of symptoms, from pneumonia requiring hospitalization to no symptoms at all. The CDC lists these other possible signs of infection: Less common symptoms include: Bird flu could merge with seasonal flu to make mutated virus that could spread among humans, CDC warns

Gov. Newsom declared a state of emergency as the virus continues to infect dairy herds across the country — including more than 600 in California.

Delaware is reporting its first case of bird flu on a poultry farm, following dozens of presumed positive cases in wild birds.

Los Angeles County health officials warned pet owners on Tuesday about feeding pets raw food after a house cat tested positive for bird flu.

The Los Angeles County Department of Public Health has warned that raw pet food products have tested positive for bird flu and sickened pet cats in the area.

We previously told you about cats who died from bird flu after drinking raw milk that was infected with the virus. New reports state that another cat has died, this time after eating raw meat infected with H5 bird flu,