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.

A child in San Francisco was recently confirmed to be the third human case of bird flu in the United States in which it's unclear how the person got infected. Cases have been spreading across the country since April 2024 with 67 confirmed as of Thursday,

Public health officials have confirmed a San Francisco child is the second pediatric case of bird flu in the U.S. According to the CDC, no additional cases have been identified among the child's contacts.

Bay Area health experts are warning the public about a spike in a stubborn, highly contagious digestive virus spreading rapidly this winter. Norovirus, commonly known as the “stomach bug” or “winter vomiting disease,

Health officials in San Francisco announced Friday that they are investigating a presumptive case of H5N1 bird flu that was found in a child who lives in the city.

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 CDC is monitoring developments closely because the United States is in the middle of flu season. With more patients flooding hospitals seeking care for seasonal flu, testing for avian influenza could slow down, and that could delay public health measures needed to prevent disease spread.

The fire at the Vistra Energy lithium battery plant in Moss Landing generated huge flames and significant amounts of smoke Thursday.

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

First came the fires. Then, there was ash and contaminated water. Now, some survivors of the Southern California wildfires are dealing with outbreaks of norovirus and other stomach ailments at a shelter set up to help evacuees.

A new treatment for sexually-transmitted diseases seems to be slowing an STI epidemic — but not everyone can get it