Rtile range 2?) days;Of the remaining 3366 samples, there were 2718 (80.7 ) samples positive for ERV3 with PCR amplification Ct values ranging from 23?5 (median 36) cycles. Overall, ERV3 was not detected in 649 (19.2 ) samples. During the first 8-months of batching and screening conducted in the laboratory, the number of ERV3 negative samples ranged from 11 to 25 in each 92 extraction run with a m