San Francisco confirmed that a child in the city became the first case of H5N1. A panel of biotech leaders discussed what options could be taken next.

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 San Francisco Department of Public Health (SFDPH) on January 10 announced an H5N1 avian flu infection involving a child with fever and conjunctivitis whose exposure to the virus is still under investigation.

The advisory comes amid concerns that cases of H5N1 avian influenza will sicken more people in the United States. CDC officials confirmed earlier this week that a second San Francisco child contracted bird flu last week, and earlier this month, a 65-year ...

A Long Island farm said it would be forced to kill its flock of nearly 100,000 ducks due to an outbreak of bird flu.

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.

Due to ongoing sporadic H5N1 avian flu infections and brisk levels of seasonal flu activity, the US Centers for Disease Control and Prevention (CDC) today urged healthcare providers to subtype all influenza A specimens in hospitalized patients, especially those in the intensive care unit (ICU), as soon as possible.

The US CDC confirmed another case of avian influenza A(H5N1), or bird flu, in California, bringing the nationwide total of cases to 67.

A farm in the Long Island area of New York has been forced to euthanize over 100,000 ducks after a bird flu outbreak.

Bird flu has been making the rounds in the United States over the last year and appears to be resurging again. Here’s what you need to know.

If you have tried to bake a cake recently, you might have had a hard time finding eggs. The empty shelves are a sign of the devastating impact of avian influenza, H5N1 or HPAI, on commercial poultry flocks in California.

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