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Volume 27, Number 5—May 2021
Dispatch

Introduction of ORF3a-Q57H SARS-CoV-2 Variant Causing Fourth Epidemic Wave of COVID-19, Hong Kong, China

Daniel K.W. Chu1, Kenrie P.Y. Hui1, Haogao Gu, Ronald L.W. Ko, Pavithra Krishnan, Daisy Y.M. Ng, Gigi Y.Z. Liu, Carrie K.C. Wan, Man-Chun Cheung, Ka-Chun Ng, John M. Nicholls, Dominic N.C. Tsang, Malik Peiris, Michael C.W. ChanComments to Author , and Leo L.M. PoonComments to Author 
Author affiliations: The University of Hong Kong, Hong Kong, China (D.K.W. Chu, K.P.Y. Hui, H. Gu, R.L.W. Ko, P. Krishnan, D.Y.M. Ng, G.Y.Z. Liu, C.K.C. Wan, M.-C. Cheung, K.-C. Ng, J.M. Nicholls, M. Peiris, M.C.W. Chan, L.L.M. Poon); Department of Health, Hong Kong (D.N.C. Tsang)

Main Article

Figure 1

Timeline of COVID-19 cases during fourth epidemic, September 9–October 19, 2020, Hong Kong, China. Asymptomatic cases occurred in patients A1–A3, B1, B2, BB4, BB12, BB13, BB15, C3, C4, C7, and C9. Symptomatic cases occurred among patients A4, BB1–BB3, BB5–BB11, BB14, C1, C2, C5, C6, and C8. COVID-19, coronavirus disease; RT-PCR, reverse transcription PCR.

Figure 1. Timeline of COVID-19 cases during fourth epidemic, September 9–October 19, 2020, Hong Kong, China. Asymptomatic cases occurred in patients A1–A3, B1, B2, BB4, BB12, BB13, BB15, C3, C4, C7, and C9. Symptomatic cases occurred among patients A4, BB1–BB3, BB5–BB11, BB14, C1, C2, C5, C6, and C8. COVID-19, coronavirus disease; RT-PCR, reverse transcription PCR.

Main Article

1These first authors contributed equally to this article.

Page created: February 24, 2021
Page updated: April 22, 2021
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