The progression of the species-jumping disease has been unprecedented, including the first-ever U.S. cases of infections in dairy cattle and heightened pandemic risks.

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 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.

A newly identified strain of bird flu, H5N9, discovered at a California duck farm, has prompted concerns about the possibility of a larger outbreak, The Washington Post reported Jan. 29. Health experts are monitoring the situation, particularly the potential for genetic mutations that could make the virus more easily transmissible among humans.

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

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

A prophylactic antibody-based immune therapy protects monkeys against severe disease caused by H5N1 avian flu, University of Pittsburgh and NIH Vaccine Research Center researchers report today in Science.

A subtype of bird flu caused by avian influenza A (H5) virus has been spreading worldwide ... including avian influenza A(H5N1), have gained the ability to spread easily and sustainably among ...

This strategic initiative responds to escalating concerns over the spread of the highly pathogenic H5N1 avian influenza A virus. Recent H5N1 outbreaks have spread beyond birds to involve mammals ...

US officials are investigating the appearance of a strain of bird flu identified in the US for the first time, a worrying sign that the virus is evolving in ways that could make it harder to

A California duck farm made headlines this week after the World Organization of Animal Health published a report by U.S. authorities that a strain of bird flu that scientists call H5N9 had been found among sick birds in the flock.