A mosquito found in a residential area of Menlo Park tested positive for yellow fever.
Authorities say some 200 students at a Contra Costa County high school will be tested for tuberculosis this week after one of their classmates tested positive for the infectious disease.
Health officials have confirmed that a 34-year-old man’s death in July stemmed from his contact with a rabid bat in Contra Costa County earlier this year.
A study of former NFL players finds they were unusually prone to dying from degenerative brain disease, the latest indication that repeated blows to the head may cause serious trouble later on.
Yosemite National Park officials said a second person has died of a rare, rodent-borne disease after visiting the park earlier this summer.
A Stockton man was arrested on Tuesday after not making himself available for tuberculosis treatment, according to the San Joaquin County District Attorney’s Office.
The UC-based California HIV/AIDS Research Program (CHRP) has awarded grants totaling $11.8 million to see if a current HIV drug can be used to prevent the onset of the virus.
Scientists at the UC Davis Center for Comparative Medicine are developing a vaccine against salmonella, the increasingly antibiotic-resistant bacteria that kills hundreds of thousands of people worldwide each year.
A new commentary published online in the Feb. 1 issue of Nature says sugar is just as “toxic” for people as the other two, so the government should step in to curb its consumption.
When Kelly Porter visits Children’s Hospital Oakland, he knows the way to the pediatric floor. And he knows what he is carrying in brightly wrapped bags will make difference for the kids who are facing long treatments ahead.