Over 75% of Californians are now fully vaccinated, and over 58% have received their COVID booster shot. But widespread breakthrough infections in fully vaccinated people and the recent rise in COVID ...

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.

Experts expect cases to rise again this winter. Here’s the latest on symptoms, treatments and testing. By Dani Blum Dani Blum has reported on Covid since the spring of 2020. See more of our coverage ...