The rise of bird flu across farms in California has raised questions about the virus and its potential threat to humans.

It is shaping up to be a significant flu season in San Diego County, with the latest weekly respiratory illness report ...

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.

Counties across the Bay Area are ramping up outreach efforts to inform the general public about actions they can take to keep ...

After Gov. Gavin Newsom last week declared an emergency stemming from bird flu’s spread in dairy herds, local public health ...

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Newt patrol braves dark, wet nights to shepherd adult and juvenile newts and other amphibians and reptiles, across rural Chileno Valley Road in northern Marin County. Members hope eventually that ...

This case does not change CDC’s overall assessment of the immediate risk to the public’s health from H5N1 bird flu ... after they drank raw milk. The Marin County Health Department said ...

The CDC just confirmed the first case of severe bird flu in the U.S, and California just declared a state of emergency.

Influenza A H5N1/bird flu virus particles round and ... There was also a suspected case in a child from Marin County who drank raw milk known to be infected with the virus. The CDC was unable ...

The H5N1 avian influenza (bird flu) virus is spreading to new locations across the United States, as the dairy industry continues to stifle public health measures that might impinge on its profits.