Health officials in Marin County report they are seeing an increase in the number of people contracting the swine flu virus which killed thousands of people worldwide in 2009.
The San Francisco Department of Public Health is warning residents about potential exposure to typhoid fever.
In a recent study, the Environment Working Group discovered that store-bought meat contained antibiotic-resistant bacteria, also known as superbugs, which can cause consumers to become ill.
Marin County officials say two elderly residents have died following an outbreak of a gastrointestinal virus that sickened nearly 60 people at a senior care center.
The National Park Service has said a ninth visitor to Yosemite National Park has been infected with the rodent-borne illness hantavirus.
Up to 10,000 people who were guests in certain lodging cabins at Yosemite National Park might have been exposed to a deadly mouse-borne virus, park officials confirmed Friday.
Two more Yosemite National Park visitors have been found with a mouse-borne virus blamed for the deaths of two people, bringing the total number of infections to six.
Four Chinese plants that produce chicken jerky treats sold by American companies have refused to allow Federal Drug Administration investigators to take samples for analysis despite complaints from pet owners, according to an NBC report.
Doctors in San Francisco are asking parents to look out for an aggressive virus among children. The city has seen several cases of a new strand of hand, foot and mouth disease.
Bay Area health leaders held a joint news conference in San Jose Thursday to raise awareness about tuberculosis, and the fact that we have one of the highest TB rates of any metropolitan area in the country.