California has identified a number of cases of BA.2, a sublineage of the Omicron variant. How concerned should we be?

California is on the downslope of yet another coronavirus surge as it enters another season of celebration.

A study of families in Israel finds that when parents are vaccinated against COVID-19, the protection they get extends to their children.

Tens of millions of Americans remain unvaccinated against COVID-19. For many, their stance on the vaccine may cost them their paychecks.

The new rules, which take effect Tuesday, come as the Omicron surge is flattening after weeks of record-setting infections.

Fake COVID-19 testing sites are popping up in Los Angeles and Orange counties. Here's what to look out for.

Everyone is tired of our constant COVID-19 waves, especially high school students who are dealing with all kinds of chaos, confusion and missed graduations and proms.