California has the lowest COVID rate in the U.S. Here’s why the Bay Area is doing even better San Francisco ChronicleCalifornia now has nation's lowest rate of coronavirus transmission MarketWatchCalifornia has the lowest case rate in the US - under 100 cases per 100,000 people in the last week Daily MailCalifornia now has nation's lowest virus transmission rate Yahoo NewsCalifornia has lowest coronavirus rate in U.S., CDC says KTLA 5View Full Coverage on Google News