This summer’s stubborn COVID wave continues

For most of the summer, COVID levels in California and the Bay Area have been high. Test positivity rates have reached 14.3%, growing over 2 percentage points from the week before, according to Friday’s update from the California Department of Public Health. That’s the highest the positivity rate has been in a year. After rising for three months, the positivity rate is quickly approaching the record high positivity rate for a summer surge — 16% in July of 2022. While testing data is no longer available at the local level,...