Genetic analysis suggests the H5N1 virus has the capacity to mutate in ways that could make it more transmissible to humans. H5N1 bird flu samples collected from a severely ill patient in Louisiana ...

The Centers for Disease Control and Prevention (CDC) warns that while the risk of human to human transmission remains low, experts and officials must be aware of the risk that mutations in the virus ...

A new strain of bird flu (highly pathogenic avian influenza, or HPAI) has been detected on a duck farm in California. The World Organisation for Animal Health (WOAH) reported the outbreak of the new ...

This past week brought a stark reminder to the Lehigh Valley that the bird flu circulating around the globe is endangering fowl and mammal alike. The good news despite the deaths of hundreds of snow ...

Avian influenza has been rampaging in wild birds around the world since late 2021. It can now be considered widespread in many types of wild birds, and has also spread to many other species including ...

The fate of a Canadian teenager who was infected with H5N1 bird flu in early November, and subsequently admitted to an intensive care unit, has finally been revealed: She has fully recovered. But ...

In early December 2024, a group of researchers published an article in the journal Science, entitled “A single mutation in ...

The US Centers for Disease Control and Prevention said on Thursday its analysis of samples from the first severe case of bird flu in the country last week showed mutations not seen in samples from an ...

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

Millions of birds in U.S. poultry farms and some cattle herds have been affected, but the overall risk to humans remains low. Still, a number of human cases have been documented as a new CDC report ...