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.
Newsroom
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.