This ‘minor’ bird flu strain has potential to spark human pandemic

Potential Human Pandemic from H9N2 Bird Flu Strain

A bird flu virus, H9N2, has the potential to spark a human pandemic, according to a team of researchers.

Experiments suggest that H9N2 has adapted to human cells, although cases of person-to-person transmission have not been reported yet.

The researchers say more surveillance of the virus is needed.

Attention has been focused on avian influenza virus H5N1, but scientists are concerned about the spread of other bird viruses, including H9N2.

Author's summary: H9N2 bird flu strain poses pandemic risk.

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Nature Nature — 2025-10-27

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