New research led by scientists at La Jolla Institute for Immunology (LJI) suggests that many people already have immune cells ...

Public health officials have warned that new mutations of bird flu with human flu could have dangerous consequences.

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The virus has spread among dairy cattle, humans and other mammals. But officials say the current public health risk is low.

The US hasn’t learned lessons from the Covid-19 pandemic that it could use to mitigate the threat of pathogens like H5N1 bird ...

The virus in the first severe human bird flu case in the U.S. was found to have mutated. Follow Newsweek's live blog for ...