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 ...

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

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

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

Last week, commissioners in Manatee County voted to remove fluoride from the water supply. Humans working closely with dairy ...

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, ...

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

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 ...

A new strain of highly pathogenic bird flu (H5N9), which has never been seen in the United States before, was recently discovered on a duck farm in ...

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 ...