Reports this week of a teen in British Columbia who tested positive for H5 avian influenza has renewed attention on the virus ...

Wastewater in several Californian cities, including San Francisco and Los Angeles, recently tested positive for bird flu. But ...

The CDC said Thursday it is updating its recommendations for testing, treatment and protection for workers who may be exposed animals infected with bird flu.

Rising H5N1 bird flu cases in the U.S. prompted ... published Oct. 28 in the journal Nature, the CDC used ferrets because the animals are susceptible to human influenza and display similar symptoms.