Avian flu has been causing outbreaks in poultry and dairy cows, affecting some people, raising concerns about how it is ...

A virologist explains that why this probably isn’t the big one — but that it’s a sign of bad things happening with the virus.

At least 61 people in the US have contracted bird flu amid outbreaks in poultry and dairy cows. What are the symptoms? What ...

Amid a "concerning" new mutation in bird flu that may indicate the virus could begin to more easily infect humans, what are ...

A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some ...

For example, in 2004, a highly dangerous bird flu strain appeared in a Texas chicken flock. The outbreak involved an H5N2 virus (not the H5N1 bird flu). By April 2004, the outbreak had ended.

The vast majority of women who contract bird flu during pregnancy and their unborn baby will die from the virus, according to ...

For influenza viruses, imperfection is a strength. They constantly mutate, producing new strains that challenge immune ...

However, H5N2 viruses have been detected in poultry in multiple states in Mexico, the WHO said. Bird flu infections in humans can range in severity, experts note. Some people have no symptoms at ...

According to the US Department of Agriculture, close to eight million cases of bird flu have been detected in 13 states since ...

Egg prices rose to a record high in the U.S. recently, hitting $5.27 a carton. Egg prices will remain high this winter as ...