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

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.

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 Centers for Disease Control and Prevention says hospitals treating people for the flu should test them for avian influenza within 24 hours.

Norovirus, commonly known as the “stomach bug” or “winter vomiting disease,” causes acute gastroenteritis, or an inflammation of the stomach or intestines. The stubborn virus is one of the most common causes of vomiting, diarrhea and stomach cramps, according to the California Department of Public Health.

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.

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,

Health officials in San Francisco announced Friday that they are ... The Centers for Disease Control and Prevention (CDC) will perform additional testing to confirm. SFDPH said they are ...

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.

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.