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.