An HIV-positive man in San Diego is facing charges of intentionally infecting at least two dozen other men with the virus that causes AIDS.
Five residents of Santa Clara County have been infected with the West Nile virus, including two who developed the severe neuroinvasive form that can lead to death.
Two relatives of a University of California at Berkeley student who contracted measles earlier this month have also caught the disease, Contra Costa County health officials said.
A Marin County resident has tested positive for the West Nile virus, marking the first case detected in a person in the county this year, health officials said Friday.
A frog which carries a deadly infection that kills other amphibian species has been found in San Francisco’s Golden Gate Park, according to researchers.
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.
The death of a laboratory worker at the San Francisco Veterans Affairs Medical Center last April prompted federal safety officials on Wednesday to announce the issuance of a notice of unsafe and unhealthful working conditions at the lab.
A laboratory at the San Francisco Veterans Affairs Medical Center has been shut down following the weekend death of a researcher that was apparently caused by deadly bacteria he was working with.
Health officials are trying to determine how a rare strain of bacteria infected and apparently led to the death of a researcher at a Veteran’s Affairs infectious diseases lab in San Francisco.
A sea lion found stuck in the mud in an East Palo Alto creek last week was euthanized Wednesday morning after suffering a stroke at the Marin County rescue center where he was being treated.