A new strain of H5N9 bird flu was detected at a commercial duck operation in California's Merced County. All the ducks were ...

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

A new strain of bird flu, H5N9, has been detected for the first time in the United States, raising concerns about h ...

First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...

A California duck farm made headlines this week after the World Organization of Animal Health published a report by U.S.

A team of virologists, infectious disease specialists and pathobiologists affiliated with several institutions in China and ...

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

The Hawai‘i Department of Health, State Laboratories Division has detected H5 avian influenza (bird flu) at very low levels ...

The avian flu continues to circulate in parts of the world, including the U.S., infecting domestic poultry, cattle, and some humans. A study published in Scientific Advances examines how mass ...

As bird flu continues to threaten animals and public health, the U.S. government has stepped up its response. Experts says it ...

A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including ...

This is the warning of a new paper in the journal Science Advances, which concluded that vaccinating against the highly pathogenic H5 subtype of avian influenza virus (AIV) may drive viral evolution.