Pandemic gets tougher to track as COVID testing plunges

  • FILE - Workers at a drive-up COVID-19 testing clinic stand in a tent as they prepare PCR coronavirus tests, Jan. 4, 2022, in Puyallup, Wash., south of Seattle. Testing for COVID-19 has plummeted across the globe, dropping by 70 to 90% worldwide from the first to the second quarter of 2022, making it much tougher for scientists to track the course of the pandemic and spot new, worrisome viral mutants as they emerge and spread. (AP Photo/Ted S. Warren, File)

Testing for COVID-19 has plummeted across the globe, making it much tougher for scientists to track the course of the pandemic and spot new, worrisome viral mutants as they emerge and spread.