Dr. Fred Campbell, associate professor and internal medicine physician, told KSAT 12 in San Antonio that PCR tests are the gold standard for COVID-19 testing, but that at-home or rapid tests are at least 85% to 90% effective, citing recent studies.


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The post KSAT 12: Which tests work best? Doctors address COVID-19 testing questions amid surging omicron cases in Bexar County appeared first on UT Health San Antonio.