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

Bird Flu Strain H9N2: A Potential Pandemic Threat

A recent study suggests that the H9N2 bird flu strain, often considered minor, has adapted to human cells, posing a potential risk of a human pandemic.

Although cases of person-to-person transmission have not been reported yet, scientists are concerned about the spread of this virus.

The researchers say more surveillance of the virus is needed.

The focus has been on the H5N1 avian influenza virus, but the H9N2 virus is now being closely monitored due to its potential to infect humans.

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

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Nature Nature — 2025-10-27

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