Abstract
Epstein-Barr virus (EBV) and cytomegalovirus (CMV), two of the most prevalent human herpesviruses, cause a wide spectrum of diseases and symptoms and are associated with serious health problem. In this study, we developed an internal control reference recombinase-aided amplification (ICR-RAA) assay for the rapid detection of EBV and CMV within 30 min. The assay had a sensitivity of 5 and 1 copies/test for EBV and CMV, respectively, with no cross reaction with other pathogens. In comparison with those of the commercial quantitative polymerase chain reaction (qPCR), the sensitivity of the EBV and CMV ICR-RAAs using extracted DNA was 93.33% and 84.84%, respectively; the specificity was 98.75% and 100.00%, respectively; and the Kappa values were 0.930 and 0.892 ( P < 0.05), respectively. In comparison with those of qPCR, the sensitivity of the EBV and CMV ICR-RAAs using the DNA by thermal lysis was 72.22% and 80.00%, respectively; the specificity was 100.00%; and the Kappa values were 0.764 and 0.878 ( P < 0. 05), respectively. Thus, rapid and specific detection of EBV and CMV is possible using ICR-RAA assays.
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