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.

The Biden administration should approve a vaccine for the H5N1 bird flu virus, according to a former state health ...

Federal health officials say that not only has a Louisiana resident contracted the first severe case of bird flu in the U.S., ...

Genetic samples from the patient contained mutations that could, in theory, help the virus better infect human cells.

It can spread to other animals and to humans. The H5N1 bird flu isn’t new. The CDC says the virus was first identified in Southern China in domestic waterfowl in 1996. In 1997, it spread to 18 ...

commonly known as bird flu, less than a month after a child in California was diagnosed with the virus. On Friday, the CDC confirmed a person from Louisiana had avian influenza A virus, H5N1 ...

The Centers for Disease Control and Prevention (CDC) has identified mutations in the H5N1 bird flu virus that may increase ...

A patient was hospitalized with a severe case of bird flu in Louisiana, the CDC said. This case is the first confirmed instance of a severe human infection linked to the H5N1 virus. The CDC said ...

This is also the first case of H5N1 bird flu in the U.S. that has been linked to exposure to a backyard flock, a news release noted. The case was first confirmed by health officials Friday ...

No person-to-person spread of H5N1 bird flu has been detected in any of the cases. The CDC said the latest case does not change the agency’s overall assessment of the immediate risk to the ...