Corrigendum to: Longitudinal Analysis of Human Memory T-Cell Response According to the Severity of Illness up to 8 Months After Severe Acute Respiratory Syndrome Coronavirus 2 Infection.

In "Longitudinal Analysis of Human Memory T-Cell Response According to the Severity of Illness up to 8 Months After Severe Acute Respiratory Syndrome Coronavirus 2 Infection" by Kang et al [J Infect Dis. 2021 Jul 1;224(1):39-48], X-axis labels were accidentally omitted from the graphs in Figures 1A and 2A. The X-axis on both figures' graphs should be labeled "CD137.". [Extracted from the article]