Add Yahoo as a preferred source to see more of our stories on Google. Katelyn Woolcott, right, wears a mask while working at Grand Central Market in Los Angeles. California's coronavirus case rate ...

Add Yahoo as a preferred source to see more of our stories on Google. Doses of the Moderna COVID-19 vaccine are prepared during a clinic on Nov. 17 in El Monte. (Francine Orr / Los Angeles Times) ...

LOS ANGELES — The growing dominance of two new ultra-contagious omicron subvariants is prolonging a wave of coronavirus cases in California and sparking growing concerns from health officials that ...

Vials of Pfizer's bivalent COVID-19 boosters move along a production line in Kalamazoo, Mich. (Pfizer via Associated Press) New COVID-19 booster shots are rolling out in California after federal ...

Tighter mask rules and increased vaccination rates could have made a difference, but omicron was going to be a problem no matter what. In response to worker shortages, the Newsom administration has ...

In a recent study posted to bioRxiv* preprint server, researchers at Ohio State University examined the degree of neutralizing antibody (nAb) evasion by severe acute respiratory syndrome coronavirus 2 ...

MILWAUKEE — Five mildly symptomatic COVID-19 cases involving the Omicron variant found in Alameda County, California, have been linked to a wedding in Milwaukee County. A health department in ...

Some officials are not convinced the decline will stay consistent in the coming weeks. The upward track of California's coronavirus case rate may be easing, but contradictory data are muddying the ...

Doses of the Moderna COVID-19 vaccine are prepared during a clinic on Nov. 17 in El Monte. (Francine Orr / Los Angeles Times) After Labor Day, California health officials expect to quickly get to work ...