Figure 1. The measurement principle of real-time reverse transcription polymerase chain reaction.

From: Microbiological Testing for Coronavirus Disease 2019

Figure 2. Figure 2. The serological course of coronavirus disease 2019.
Reproduced from Galipeau Y, Greig M, Liu G, et al. Humoral responses and serological assays in SARS-CoV-2 infections. Front Immunol. 2020;11:610688 (40) with permission.
© 2020 Galipeau, Greig, Liu, Driedger and Langlois.

From: Microbiological Testing for Coronavirus Disease 2019

Figure 3. Repeat testing strategy for the patients of coronavirus disease 2019 who need aiding in therapeutic intervention.
NAAT, nucleic acid amplification tests; BALF, bronchoalveolar lavage fluid.
*Consider antibody testing, if necessary.

From: Microbiological Testing for Coronavirus Disease 2019

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