With measles outbreaks, flu spikes, and COVID as a seasonal threat, learn key differences between these contagious diseases, ...

As summer comes to an end, COVID-19 cases are on the rise again in California. While respiratory viruses usually peak in the winter, the novel coronavirus can also surge in the warmer months.

Unlike recent temperatures, California’s COVID summer may no longer be heating up — though officials caution the virus continues to circulate at levels plenty high enough to pack a potent infectious ...

A new COVID-19 variant is quickly spreading across California. From the FLiRT variants to the latest COVID-19 strain, NB.1.8.1, several versions of the virus have emerged since the coronavirus ...

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 ...

SACRAMENTO, Calif. -- Gov. Gavin Newsom extended an authorization allowing local governments to delay evictions through the end of September for renters impacted by the novel coronavirus pandemic.

SAN FRANCISCO (KGO) -- On Dec. 31, UCSF'S Dr. Charles Chiu and his colleagues were in a lab when they found what they are calling"L-452R," a California variant of COVID-19. "We actually discovered ...

The COVID-19 vaccine rollout in 2025 is shaping up to be significant different than in past years. The U.S. Food and Drug Administration has approved updated vaccines under new guidelines, but the U.S ...