With pool testing, nasal swabs from up to 25 asymptomatic students are submitted together for a single PCR test. … Another downside is that if the pool is large, the test may be less sensitive and miss a positive case, said Dr. Edwin Monuki, [professor and] chair of the Department of Pathology at the UC Irvine School of Medicine. “For this reason, pooling should only be considered in conjunction with a sensitive high-quality test,” he said.
‘Pool testing’ to combat Covid on campus grows popular in California schools
EdSource, Sept. 15, 2021
September 15, 2021