Discussion . In this study, we reported the trend of first infection and reinfection of SARS-CoV-2 in HCWs from April to June 2023. The reinfection rate among HCWs was 11.5%. Of these HCWs, 80.9% of the infected ones were female (76.2% for first infection vs. 83.9% for reinfection), Moreover, the highest proportion of SARS-CoV-2 infection, particularly the reinfection population, was observed in nursing staff. Furthermore, 98.9% of HCWs showed symptoms of the infection. But the symptoms of...