Fig. 5.

Positivity rated of SARS-CoV-2 Clinical IgG an NAAT Tests in Pediatric Population. Total number of tests are plotted in the primary axis (log scale) for IgG (light orange columns) and NAAT (light blue columns). Positivity rate of IgG test (dark orange line) and NAATs (dark blue line) are plotted monthly for April to December of 2020 on the secondary vertical axis. IgG test went live clinically in May 2020. NAAT=Nucleic Acid Amplification Test. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)