Studies suggest that people who had seasonal flus or vaccinations have low antibody levels against H5N1 bird flu.

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another ...

H5N1 avian influenza virus was first found infecting cattle in 2024, though its risk of adapting to infect and spread through ...

The fatality rate for H5N1 highly pathogenic avian influenza in humans has historically been high, with more than half of ...

“Reassortment has played a major, major role in the emergence of pandemic influenza,” says Daniel Perez, a professor of ...

Scientists trace the heritage of the H5N1 virus that decimated ... 136 dead eagles were confirmed to have avian influenza across 24 states. Rebecca Poulson, a wildlife disease researcher at the ...

The spokesperson said that surveillance, readiness and response for influenza – including H5N1 bird flu – will continue under the CDC’s influenza division and other appropriate agency programs.

Wild birds, especially ducks and geese, like these flying by a farm in Illinois, can spread H5N1 bird flu to poultry. Keeping the wild and domestic birds separate is a challenge.

Life science companies developing bird flu vaccines and antivirals are gaining attention as the avian influenza subtype H5N1 becomes an increasing concern. The United States is in the midst of an ...

Bird flu viruses are divided into two categories: low pathogenic avian influenza (LPAI) and highly pathogenic avian influenza ...

On average, ferrets infected with H5N1 bird flu lost nearly 10% of their body weight and had fevers. They were lethargic, and had nasal and ocular discharge along with sneezing.