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,

Norovirus, which causes sudden vomiting and diarrhea, has seen a surge in recent weeks. It spreads quickly and can run through an entire family.

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.

Dr. Marlene Wolfe, the Co-principal investigator with WastewaterSCAN said there is increased detection of norovirus at California's wastewater testing sites.

Fire investigators are looking at a hiking area called Skull Rock as the potential point of origin for the destructive Palisades fire, which erupted on Jan. 7.

Three people have tested positive for norovirus amid a cluster of 28, the Pasadena Public Health Department said on Friday.

An outbreak of the norovirus has been reported at the Pasadena Evacuation Center, officials confirmed. The Pasadena Public Health Department said that three cases of the norovirus were confirmed

Good morning, Central Coast! It’s Friday, January 17th, and we’ve got a busy day ahead. From new investments in the region to rising norovirus cases, here’s what you need to know to start your day.

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.

Breast cancer rates are rising for a specific population of women under age 50; how to avoid a new strand of norovirus that has spread across the country; the benefits that can come from a month of sobriety,

KFF Health News journalists made the rounds on national and local media recently to discuss topical stories. Here’s a collection of their appearances.