For example, if a human gets infected with a bird flu and also carries a human influenza A virus, these two viruses can ...

Previous seasonal flu infections and vaccinations may protect us against infection from the highly pathogenic H5N1 bird flu outbreak.

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

New research led by scientists at La Jolla Institute for Immunology (LJI) suggests that many people already have immune cells on “stand by” to fight the H5N1 virus, also known as highly pathogenic ...

A 13-year-old girl in Canada became so sick with H5N1, or bird flu, in late 2024 that she had to be put on a ventilator.

Doctors say the case of a teen left in critical condition shows H5N1 "can cause severe human illness." Mutations in the virus are deepening concerns about the spread of H5N1.

In coming years, the bird flu may cost billions of dollars more in expenses and losses. Worse, the outbreak poses the threat ...

In light of the ongoing global spread of the H5N1 avian influenza, U.S. public health experts are reassured that current ...

Most human cases of bird flu in North America have been mild, a fact that’s underscored by a new study of the first 46 ...

So far, the H5N1 virus isn't transmitted between people — but the CDC has found a mutation in a human case "concerning." ...

A farm in Melrose quarantines after a bird flu outbreak in 2010. Federal authorities are now requiring stepped-up biosecurity ...

Each week some revelation about bird flu seems to flutter through the news cycle. Here's what the latest research is saying ...