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When H5N1 first came to the attention of infectious disease professionals 20 years ago, there was concern it could mutate and ...

Hilleman was born a year after the notorious 1918 influenza pandemic swept the world, killing 20 million to 100 million people. By 1957, when Hilleman began worrying about the egg supply ...

Hilleman, however, needed eggs not for his breakfast, but to make the vaccines that were key to stopping a potential influenza pandemic. Hilleman was born a year after the notorious 1918 influenza ...

A second subtype of H5 bird flu, known as D1.1, was detected in dairy cattle and infected one worker in the US state of ...

More than 80 domestic cats have been confirmed to have had bird flu since 2022. Experts say there's a risk that cats could ...