Many more Californians getting coronavirus tests amid Delta spike. What will they reveal?
LA TimesA medical professional gives a rapid coronavirus test to a fifth-grader on the first day of school at Montara Avenue Elementary in South Gate. And, in parallel with that big an increase, we’re bound to see increases in cases,” Los Angeles County Public Health Director Barbara Ferrer said. “It still means there is a lot of community transmission going on, and we all need to take additional safety precautions.” Cases vs. positivity rate Another important metric to track is test positivity, the rate at which conducted tests are confirming coronavirus infections. “If you had a lot more testing, and test positivity went up, that would just say you’ve got a lot more transmission going on,” Ferrer said. Over the last seven days, L.A. County reported an average of 3,362 new cases per day: a less than 1% increase from the week prior, Times data show.