Recommendations on the strain composition of influenza virus vaccines for the 2025-2026 US season have been issued by FDA.

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

But if the virus gains certain mutations, scientists fear it could trigger another pandemic. This prospect has propelled research into whether our defenses built up from past flu seasons can offer ...

But if the virus gains certain mutations, scientists fear it could trigger another pandemic. This prospect has propelled research into whether our defenses built up from past flu seasons can offer ...

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

But if the virus gains certain mutations, scientists fear it could trigger another pandemic. This prospect has propelled research into whether our defenses built up from past flu seasons can offer any ...