Lithuania has reported an outbreak of highly pathogenic H5N1 avian influenza, commonly called bird flu, on a laying hen farm ...

What is H5N9 and how is it different from H5N1? Scientists classify bird flu viruses by which kind of two key proteins are ...

Bird flu infections around the U.S. have forced mass cullings and resulted in the deaths of zoo animals and pets ...

The first outbreak of H5N9 bird flu in poultry has been reported in California on a duck farm leading to the culling of ...

According to the Centers for Disease Control and Prevention, 67 people in the U.S. have been infected with H5N1 bird flu. One ...

The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human ...

The ongoing bird flu outbreak is driving up egg prices, which had led to a nationwide shortage. When buying eggs, choose only ...

For the first time, birds in a Wayne County backyard flock have been sickened by the highly pathogenic H5N1 avian influenza ...

U.S. authorities also detected the more common H5N1 strain on the same farm in Merced County, California, they said in a ...

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

A new bird flu strain was detected on a California duck farm. But what's the difference between H5N9 and H5N1, and is it safe ...