https://www.mercurynews.com/2020/03/12/san-jose-firefighter-tests-positive-for-covid-19-50-more-exposed/

SAN JOSE — One San Jose Fire Department firefighter has tested positive for COVID-19, prompting the testing of a second firefighter and the quarantining of 75 others, officials said.

Assistant Chief Reginald Williams initially said at least 50 other firefighters were exposed out of a staff of 750 at a press conference Thursday morning that also included Mayor Sam Liccardo.