SARS-CoV-2 seroprevalence and antibody trajectories after easing of COVID-19 restrictions: a longitudinal study in China - Ling, Feng; Xu, Zenghao; Sun, Jimin; Wang, Xiaoxiao; Feng, Yan; Liu, Ying; Chen, Yijuan; Wang, Jinna; Chen, Zhiping; Chen, Kun (Frontiers in Public Health, 2024)