He, Yingyu, et al. “An Examination of Wuhan City Healthcare Personnel Afflicted With SARS-CoV-2 Omicron Variants Between December 15, 2022, and January 5, 2023, During the Rapid Omicron Outbreak in China”. The Journal of Infection in Developing Countries, vol. 17, no. 11, Nov. 2023, pp. 1518-21, doi:10.3855/jidc.18050.