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. 2021 Nov 24;19:eRC6369. doi: 10.31744/einstein_journal/2021RC6369

Figure 1. Consecutive results of tests conducted with nasopharyngeal samples. SARS-CoV-2 reverse transcriptase polymerase chain reaction cycle threshold values are shown in red. Serological markers for COVID-19 are shown in blue (immunoglobulin M) and orange (immunoglobulin G).

Figure 1