Epidemiology of Infections with SARS-CoV-2 Omicron BA.2 Variant, Hong Kong, January–March 2022
Yonatan M. Mefsin, Dongxuan Chen, Helen S. Bond, Yun Lin, Justin K. Cheung, Jessica Y. Wong, Sheikh Taslim Ali, Eric H.Y. Lau, Peng Wu
, Gabriel M. Leung, and Benjamin J. Cowling
Author affiliations: World Health Organization Collaborating Centre for Infectious Disease Epidemiology and Control, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China (Y.M. Mefsin, D. Chen, H.S. Bond, Y. Lin, J.K. Cheung, J.Y. Wong, S.T. Ali, E.H.Y. Lau, P. Wu, G.M. Leung, B.J. Cowling); Laboratory of Data Discovery for Health, Hong Kong Science and Technology Park, Hong Kong (D. Chen, S.T. Ali, E.H.Y. Lau, P. Wu, G.M. Leung, B.J. Cowling)
Figure 1. Confirmed COVID-19 local cases and deaths in Hong Kong over the first 4 epidemic waves (A) and wave 5 (B, C). Blue and red bars in panels A and B indicated daily numbers of COVID-19 cases confirmed by reverse transcription PCR and daily number of reported deaths. Bars in light blue in panel B indicate daily numbers of COVID-19 cases detected by rapid antigen tests. Panel C indicates the exponential growth of the reported COVID-19 cases in wave 5 before the epidemic peaked. Six fatal imported cases were also included in panel A; no deaths were reported among persons with imported cases in wave 5.
Page created: June 22, 2022
Page updated: August 19, 2022
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