Dai Q, Bao C, Ju H, Li N, Wang S, Wen J, Zhou Q, Chen L, Chen Y, Xu L, Zhou X, Ding S, Hu J, Zhu F (2024) Analysis of re-infection cases and influencing factors post first severe COVID-19 wave in Jiangsu Province, China. J Infect Dev Ctries 18:S92-S100. doi: 10.3855/jidc.20031