[This corrects the article DOI: 10.3389/fimmu.2023.1191479.].
Keywords: COVID-19; Chinese; SARS-CoV-2 IgG titer; convalescent plasma screening; cross-sectional study; whole-blood donors.
Copyright © 2023 Tang, Liu, Wang, Gu, Wang, Li, Luo, Li, Deng, Luo, Du, Tan, Fu and Chen.