Central California experienced a “very high” COVID-19 test positivity level during August, one of several regions where the virus has been increasingly detected in recent weeks. From Aug. 17-23, ...

California man linked to controversial underground biolab convicted in $4 million COVID-19 test fraud scheme involving fake FDA-approved test kits.

EMERYVILLE, Calif. (KGO) -- An East Bay biotech company is racing to launch a portable COVID-19 test that promises results in under 15 minutes. The need has never been greater Coronavirus: Shelter in ...

Respiratory viruses are more active from October through March. Use over-the-counter COVID tests and clinical tests to distinguish respiratory viruses. Health officials advise vaccines, testing and ...

A new COVID-19 variant is quickly spreading across California, and health experts are warning it could lead to a surge of summer cases. “COVID-19 continues to circulate in California and future ...

California faces COVID surge with test positivity rates doubling since late July, though hospitalizations remain relatively low compared with previous summers. Some counties show signs the wave may be ...

SAN FRANCISCO (KGO) -- A California State Lottery representative is in a medically induced coma after testing positive for novel coronavirus. Prior to this happening, he'd expressed concerns over the ...