Bird flu is a disease caused by avian influenza A viruses, according to the CDC. The virus mostly spreads between birds and dairy cows, but there have been 67 human cases of bird flu nationwide and one death tied to the infection since 2024, CDC records show.

The Trump administration’s directive to halt external communications from federal health agencies raised concern Wednesday among Bay Area health experts and local agencies, who warned that the pause could have significant consequences for public well-being — especially amid ongoing threats like the H5N1 avian influenza,

A child ill with fever and conjunctivitis in San Francisco tested positive for bird flu but had no known source of transmission.

The CDC is calling for expanded testing of bird flu after a child in California tested positive for the virus despite no known contact with animals.

The CDC has confirmed a positive bird flu case in a child in San Francisco, the second juvenile case of H5N1 in the country.

SAN FRANCISCO (KGO) -- The CDC has confirmed the positive bird flu case in a child in San Francisco. City health officials first reported on a presumptive case in a child on Jan. 10 and continue ...

Federal prosecutors have been directed to investigate any state or local officials who stand in the way of immigration enforcement under President Trump's administration, which may cause a clash in Bay Area sanctuary cities.

The Trump administration has put a freeze on many federal health agency communications with the public through at least the end of the month.

For every 1mg/L increase in urinary fluoride, children’s IQ dropped by 1.63 points, according to the study. The World Health Organization set the safe fluoride limit at 1.5 mg/L, while the U.S. recommends 0.7 mg/L in drinking water.

RFK Jr., who's nominated to become the next health secretary, asked the federal government to revoke its authorization of all COVID-19 vaccines in May 2021, just as vaccinated Americans began returning to a sense of normalcy after pandemic lockdowns.

A fire at the world’s largest battery storage plant in Northern California is smoldering after sending plumes of toxic smoke into the atmosphere.

A child in San Francisco has tested positive for H5N1 bird flu after experiencing conjunctivitis and fever, health officials have confirmed. The young patient also tested positive for flu and RSV, according to local authorities.