From the outset of the Trump administration, bird flu, or H5N1 avian influenza, has flown rather conspicuously — and in fact ...

The CDC has ended its H5N1 bird flu emergency response, but experts urge continued vigilance as the virus remains a threat ...

New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

The U.S. Centers for Disease Control and Prevention (CDC) announced it is streamlining its H5N1 highly pathogenic avian ...

H5N1 is a viral strain that causes bird flu. The virus can pass from birds to humans and, very rarely, from person to person. Learn more here.

Read More » This undated electron microscopic image provided by the Centers for Disease Control and Prevention shows two Influenza A (H5N1) virions, a type of bird flu virus.

A microscope image of H5N1 avian influenza. Credit: CDC and NIAID Bird flu, or H5N1 avian influenza, has been circulating across North America since 2022, infecting birds, livestock, wildlife, pets, ...

Experts worry that public health turmoil could make bird flu deadlier Panelists at pandemic preparedness symposium in La Jolla fear federal turmoil is hindering race to spot human-to-human ...

Blood testing of large-animal veterinarians suggests that H5N1 bird flu has spread more widely than US surveillance of the virus is capturing, according to a new study by federal and state disease ...

H5N1 bird flu is branching out. New data from the Centers for Disease Control and Prevention indicates that a second type of H5N1 has likely spread from dairy cows to humans.

A dairy worker in Nevada was infected with a new type of bird flu that’s different from the version that has been spreading in U.S. herds since last year, federal health officials said Monday ...

At least 66 human cases of bird flu have been recorded in the US since 2024, and we still don't know enough about what makes each viral variant more or less dangerous to our species as a whole.