Coronavirus testing widened as California case makes containment more urgent Coronavirus testing widened as California case makes containment more urgent
FRIDAY, FEBRUARY 28, 2020
The four-day delay in testing a California woman for coronavirus highlights how a faulty test and until Thursday, a narrow definition of who should be tested have hindered the U.S. ability to track how widely the disease has spread. Infectious disease experts worry the disease may be spreading undetected in other places.