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

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

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

Prices for white large shell eggs hit $8.97 per dozen. Delivered prices on the California-compliant wholesale loose egg ...

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

Over 160,000 people this season have landed in the hospital from flu complications, CDC estimates. More than 6,600 have died.

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

A new strain of H5N9 bird flu was detected at a commercial duck operation in California's Merced County. All the ducks were ...

Most of the bird flu cases reported so far in the U.S. have belonged to an influenza subtype known as HPAI H5N1. The newly ...

H5N9 is “not commonly seen in poultry in general,” says Eman Anis, assistant professor at the University of Pennsylvania ...

The Comanche, Godley and Morgan school districts, all of which are southwest of the Dallas-Fort Worth area, recently closed ...