Flu cases are rising across Southern California, with more people streaming into the emergency room with symptoms every day.

The discovery of bird flu in the San Mateo backyard flock prompted health officials to remind people to take biosecurity ...

The seasonal flu in California is surging to levels not seen in several years — though the reasons why aren’t entirely clear. Test positivity for influenza specimens at state laboratories hit 26% in ...

The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a ...

The newly reported H5N9 strain was found Monday at a duck farm in Merced County, California, according to the World ...

According to the CDC, pertussis is a cyclical bacterial infection that peaks every three to five years. Immunity, whether ...

UC San Francisco's Rais Vohra, MD, explains recent increase in reported virus infections and the risks of consuming raw cow’s milk.

H5N1, known as bird flu, has been detected in a backyard poultry flock in San Mateo County, the California Department of Food ...

FRESNO, Calif. (KFSN) -- Flu activity remains high across the country. That includes right here in Central California. Dr. Samer Saghbini, an Infectious Disease Physician at Kaiser Permanente Fresno, ...

a child in California tested positive for influenza A after drinking raw milk. They developed a fever and vomiting, but they recovered safely, and the infection was not confirmed to be H5 flu.

First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...

Two cats have died in California after their owner fed them raw, unpasteurized milk that had been recalled due to the risk of bird flu contamination. Joseph Journell, 56, of San Bernardino ...