Reproduction number of SARS-CoV-2 Omicron variants, China, December 2022-January 2023. - Yuan Bai; Zengyang Shao; Xiao Zhang; Ruohan Chen; Lin Wang; Sheikh Taslim Ali; Tianmu Chen; Eric H. Y. Lau; Dong-Yan Jin; Zhanwei Du (CoRR, 2023)