A new study by biologists from the Scripps Research Institute shows that a bird flu virus is just a single mutation away from ...

The potential mutation would allow the avian influenza virus sweeping through dairy herds to attach to a receptor protein on ...

Avian influenza viruses typically require several mutations to adapt and spread among humans, but what happens when just one change can increase the risk of becoming a pandemic virus? A recent study ...

Researchers stress that HPAI H5N1 must be closely monitored for genetic changes, especially as cases rise in humans exposed to infected birds, cows, or mammals. The highly pathogenic avian ...

State health officials emphasize that there is no evidence that human-to-human transmission of bird flu — avian influenza H5N1 — is happening in Arizona or anywhere in the U.S. to date.