The most well-known HPAI subtype circulating today is H5N1. Since early 2024, H5N1 has been causing outbreaks among cows ...

Very few humans have gone up against bird flu. But we've all dealt with seasonal flu for years. Some of our immune systems ...

One year since it was discovered in Texas dairy cows, epidemiologists have their hands full tracking the virus’ spread.

Early flu exposure helps immunity against H5N1 infection, with older adults having stronger antibody responses.

A new bird flu outbreak has been confirmed as the virus continues to spread across the US. The deadly H7N9 strain was ...

WHO recommends the influenza strains to be used in the vaccine for the coming flu seasons months in advance based on the strains that are currently circulating. On February 28, 2025, WHO ...

Even though the official tally of human cases in the U.S. is most certainly an undercount, there's still no evidence this strain of H5N1 ... traits between bird flu and types of seasonal flu ...

This protection is based on shared traits between bird flu and types of seasonal flu that have ... virus — which cross-react to the current strain of bird flu. It's almost certain these people ...

Between 1968 and about 1977, the flu strain going around was more distantly ... STONE: That's the case for bird flu and a common type of flu virus in humans - H1N1. The University of Chicago ...