This brings the total number of confirmed cases in the county to nine.[167] Santa Clara County reported 5 new cases, bringing the total number of known cases in the county to 37.[168] In Rocklin, Sierra College announced all classes and lectures would be moved online by March 18 after two office staff members were quarantined following exposure to COVID-19, with students being tested. In addition, the campus announced it would be limiting student activities, including continuing sporting events with no spectators.[169] Shasta County reported its first presumptive case. A 50-year-old man with a history of recent travel was reported to be recovering in isolation at home.[170]