COVID-19 Pandemic



Here are some of the questions researchers are still trying to answer about the latest version of the virus that causes COVID-19.

U.S. officials are loosening rules that call on healthcare workers to stay away from work for 10 days if they test positive for COVID-19.

Omicron becoming dominant in some parts of California as COVID-19 cases soar

The vice president, who tested negative twice Wednesday, will be tested again for the coronavirus on Friday and Monday.


The latest totals, where new cases are concentrated, testing numbers, demographcics, nursing homes and California state and county data in context compared to other states.

More on Pandemic

‘Within the next two weeks, it’s almost all going to be Omicron,’ says Los Angeles County Public Health Director Barbara Ferrer.

International flights to and from the U.S. have COVID-19 vaccine and testing requirements in place. But not domestic flights. That’s nuts.

As the pandemic ravaged the country, deaths from drug overdoses surged by nearly 30%. The death rate was highest among Native Americans.

Faced with the highly infectious Omicron variant, state officials unveil plans to expand hours at coronavirus testing sites and provide rapid tests for K-12 public schools.