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Revista Peruana de Medicina Experimental y Salud Publica

versão impressa ISSN 1726-4634

Resumo

ROJAS-SERRANO, Nancy et al. Validation and evaluation of RT-PCR real time in house test to detection of SARS-CoV-2 using specific RdRp gene and GAPDH endogen control. Rev. perú. med. exp. salud publica [online]. 2021, vol.38, n.4, pp.595-600.  Epub 02-Dez-2021. ISSN 1726-4634.  http://dx.doi.org/10.17843/rpmesp.2021.384.7596.

The present work validated and evaluated a duplex real-time RT-PCR using specific primers and probes for genes RdRp from SARS-CoV-2 and GAPDH from humans; the latter was used as an endogenous control in all reactions. We evaluated the specificity, the sensitivity, the robustness, the reproducibility, the repeatability, the comparability, and the limit of detection. The predictive positive and negative values (PPV and PNV, respectively) and all the parameters evaluated using our duplex real-time RT-PCR was 100%. The detection limit was 100 copies/µL according to the acceptance criteria established for the validation of this protocol. Our duplex real-time RT-PCR demonstrated to be a good alternative for the diagnosis of COVID-19; in addition, this PCR was used adequately in suspicion of COVID-19, allowing it to control the number of false-negatives.

Palavras-chave : RT-PCR SARS-CoV-2 testing; SARS-CoV-2; Molecular Diagnosis; COVID-19.

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