The US Centers for Disease Control and Prevention is urging hospitals to accelerate advanced testing of people they suspect may have bird flu.

H5N1 first human death was reported in USA. Since then, health authorities have been monitoring and cases and shave sounded alarm regarding its mutation rate.

"The Chinese poultry lineage may have experienced more vaccine-driven selection compared to other lineages," the researchers wrote.

The Centers for Disease Control and Prevention are monitoring the bird flu situation in the United States. Here's what to know and how to stay safe.

H5N1, or bird flu, poses a limited risk to humans but remains a serious threat. Learn how it spreads, its symptoms, and key precautions to prevent infection.

H5N1 bird flu hits Georgia’s poultry industry marking the first commercial outbreak in the state Learn CDC prevention tips to protect public health and livelihoods

To learn more about the recent bird flu outbreaks, we spoke with Asha Shah, MD, director of infectious diseases and epidemiologist at Stamford Hospital.

Amesh Adalja, an infectious disease and senior scholar at Johns Hopkins Center for Health Security, told Salon H5N1 and other avian influenza viruses are a type A influenza virus. "We do need subtype confirmation to make sure it's ‘H5,’ and sub-type ...

Seasonal influenza vaccines triggered protective immune responses against the H5N1 avian influenza virus primarily in younger people, indicating its potential use as a first line of defense during an eventful pandemic.

Researchers at Texas Biomed have identified nine mutations in a strain of bird flu found in a person in Texas. Bad news: This strain shows an increased ability to cause disease and is more effective at replicating in the brain.

The findings come at a time when outbreaks of bird flu -- a different subtype of the ... of the highly pathogenic avian influenza (HPAI) H5N1 influenza virus currently circulating

The H5N1 virus has a ways to go before it can successfully jump to humans but that it doesn’t reduce the threat it poses.