https://www.mercurynews.com/2020/03/20/coronavirus-contra-costa-county-records-its-first-death-from-covid-19/

A person with a confirmed case of coronavirus died Thursday night at a Contra Costa County hospital, marking the first death in the county from COVID-19.

Health officials made the announcement early Friday morning. Through Thursday night, the county said it was treating 42 people with confirmed cases of coronavirus. The number of confirmed coronavirus cases in the county has risen from six on March 6