The H5N1 avian influenza virus is mutating to evade immune defenses in mammals following prior infection or vaccination.

Aug. 19, 2024 — The avian influenza virus needs to mutate to cross the species barrier and to infect and replicate within mammalian cells. Scientists have now deciphered the structure of the ...

The pandemic stretched us — our communication, our science, our distribution networks, even what it means to be a good ...

Five years after COVID-19 reached pandemic status, public health experts reflect on what we learned—and how those lessons can ...

Bird flu has long been a top contender for starting the next pandemic. Between 2003 and 2023, there were 882 cases reported ...

Bird flu cases are rising rapidly in the U.S. and around the world. A new study traces how the disease spread over the last ...

The detection of bird flu in a sheep is another sign that the H5N1 virus is adapting to hop to new hosts ...

H5N1 influenza is evolving rapidly, weakening the effectiveness of existing antibodies and increasing its potential threat to ...