UpdatedSep 25

H5N1 spread

The spread of H5N1 bird flu: outbreaks in birds and mammals, human cases, culls, and vaccine preparations. A headline lands here when the outbreak is the story itself.

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Influenza A virus subtype H5N1 (A/H5N1) is a subtype of the influenza A virus, which causes the disease avian influenza. It is enzootic in many bird populations, and also panzootic.

Since 2020, outbreaks of avian influenza subtype H5N1 have been occurring, with cases reported from every continent.

'sea lions' recurs across recent headlines

Updated Sep 25

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Wed, Sep 23

The West Australian (Australia)

Juvenile humpback whale washes up dead on Sunshine Coast beach

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Mon, Sep 21

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Sun, Sep 13

Created Jul 5, 2026

H5N1 spread

Coverage

Influenza A virus subtype H5N1

2020–2026 H5N1 outbreak

Juvenile humpback whale washes up dead on Sunshine Coast beach