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. 2021 Jan-Feb;153(1-2):144–150. doi: 10.4103/ijmr.IJMR_2363_20

Fig. 1.

Fig. 1

Flowchart showing evaluation of analytical sensitivity of the test. NP/OP nasopharyngeal/oropharyngeal swab; VTM, viral transport medium; rRT-PCR, real-time reverse transcription-polymerase chain reaction.