MARTINEZ, Calif. (KGO) -- Contra Costa County officials confirmed the first case of COVID-19 in the county on Tuesday evening. Health officials said the person tested positive Tuesday afternoon and is ...

SAN FRANCISCO (KGO) -- Contra Costa County is being monitored by the California Department of Public Health after a concerning increase in coronavirus hospitalizations, the department says. As of ...

Contra Costa County and other Bay Area counties are issuing a new masking order that applies to workers at "high-risk" health care facilities as COVID-19 cases are again rising. Contra Costa Health ...

The 35-person increase in the total since Monday is the most that health officials here ...

The Contra Costa County health department on Tuesday recommended people wear masks in crowded indoor settings as COVID-19 infections increase throughout the Bay Area. The department said masking is ...

With coronavirus cases increasingly on the upswing across California and the nation, an updated COVID-19 vaccine is expected to come out even earlier than expected. Coronavirus transmission has been ...