California has the lowest COVID rate in the U.S. Here’s why the Bay Area is doing even better San Francisco ChronicleCalifornia has the lowest case rate in the US - under 100 cases per 100,000 people in the last week Daily MailCalifornia Sees Lower Coronavirus Transmission Rates NPRCalifornia now has nation's lowest virus transmission rate Yahoo NewsCalifornia now has nation's lowest virus transmission rate WISHTV.comView Full Coverage on Google News