The CDC has confirmed a new human H5N1 bird flu case in California, raising the US total to 67. Most cases involve farm workers exposed to sick animals. The CDC urges rapid testing, antiviral treatments,

A Centers for Disease Control and Prevention communication delay could hinder coordinating responses at the state and local levels.

The flu vaccine is generally about 40% effective at completely preventing influenza, according to Blumberg. The flu vaccine protects against three strains of influenza, including two influenza A strains. It also protects against influenza B, which typically shows up later in the season, Blumberg said.

CDC confirmed a new human case of H5N1 in California. The recent case involves a child from San Francisco. CDC data reveals that California has been the worst affected by the ongoing bird flu outbreak with 38 of the total cases reported.

Nearly 500 outbreaks were reported between August and mid-December, according to CDC data, a third more than at the same time in the previous season. California is not part of the National Outbreak Reporting System that the CDC uses for norovirus ...

California has been hit hardest, accounting for 38 cases, according to CDC data. The latest case involved a San Francisco child who developed fever and conjunctivitis but was not hospitalized and has since fully recovered. Most of the H5N1 infections in ...

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.

Flu season is here in California, but other illnesses are in full swing in the Golden State. Here are the symptoms and how long you're contagious.

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

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

After the holiday season and an uptick in travel, California is seeing a rise in respiratory illnesses, prompting health experts to talk of a potential “quad-demic.” The term refers to the simultaneous spread of four major viruses: COVID-19,

The agency says labs should accelerate testing on patients hospitalized with the flu within 24 hours of their admission.