HomeCover CoverPeninsulaHealth San Mateo County: 112 new cases of COVID-19 By Pen 360 Press 2020.11.12 0 2059 FacebookTwitterPinterestWhatsApp P360P EditorialSan Mateo County Health reported an increase of 112 cases as well as three deaths related to Covid-19, bringing the county's case count to 12,049 and the number of deaths reported in the past year.