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. 2021 Oct 20;28(2):206–210. doi: 10.1016/j.jiac.2021.10.012

Fig. 1.

Fig. 1

Antibody titer and days from onset to sampling. A) By sampling days. B) By age class. C) By fever during disease onset. D) By systemic corticosteroid use during coronavirus disease 2019 infection.