https://www.mercurynews.com/2020/04/23/san-francisco-bay-area-coronavirus-covid-19-cases-deaths-april-23/

Health officials in San Francisco on Thursday reported a spike in confirmed COVID-19 cases and the rate of positive of tests in the city.

San Francisco had no additional coronavirus deaths to report Thursday, but two Bay Area counties did. The first came out of Contra Costa County, where health officials said a 23rd person in that county has become a victim of the coronavirus.