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

Influenza A Viruses Adapt Shape in Response to Environmental Pressures ... 2025 — The antibody targets a stable part of the bird flu virus, ensuring that the immune protection can resist new ...

New research suggests that past exposure to seasonal flu viruses may help protect people from severe illness caused by the ...

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

and the co-circulation of other flu viruses shape seasonal flu ... Flu Virus Variants Resistant to New Antiviral Drug Candidate Lose Pathogenicity Feb. 6, 2024 — Influenza A viruses with induced ...

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

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

Scientists say a concerning genetic mutation has appeared in H5N1 bird flu infected cats living in a New Jersey suburb of New ...