Where are coronavirus cases surging in California — and why?

Where are coronavirus cases surging in California — and why?

Public health experts aren’t sure why Southern California counties seem to be having a harder time corralling the new coronavirus lately. “It’s a mystery to me,” said Andrew Noymer, associate professor of population health and disease prevention at the University of California-Irvine. “It just doesn’t totally make sense.” But there are some explanations. In some Southern California counties, recent isolated clusters of new cases have driven high infection rates.