Wong, Carlos K. H. http://orcid.org/0000-0002-6895-6071
Lau, Kristy T. K.
Chung, Matthew S. H. http://orcid.org/0000-0002-1669-4479
Au, Ivan C. H.
Cheung, Ka Wang
Lau, Eric H. Y.
Daoud, Yasmin
Cowling, Benjamin J. http://orcid.org/0000-0002-6297-7154
Leung, Gabriel M. http://orcid.org/0000-0002-2503-6283
Funding for this research was provided by:
Food and Health Bureau of the Government of the Hong Kong Special Administrative Region | Health and Medical Research Fund (COVID190210)
Innovation and Technology Commission (AIR@InnoHK)
Article History
Received: 29 May 2023
Accepted: 30 October 2023
First Online: 1 November 2023
Competing interests
: C.K.H.W. reports the receipt of the General Research Fund, Research Grant Council, Government of Hong Kong SAR; EuroQol Research Foundation; AstraZeneca and Boehringer Ingelheim, all outside the submitted work. B.J.C. reports honoraria from AstraZeneca, Fosun Pharma, GlaxoSmithKline, Haleon, Moderna, Pfizer, Roche and Sanofi Pasteur and has provided scientific advice to Pfizer and AstraZeneca on issues related to disease burden and vaccine effectiveness. He has not provided scientific advice to either company related to COVID-19 antiviral effectiveness, and he has not received any funding from Pfizer or AstraZeneca for any research on antiviral effectiveness including the current work. All other authors declare no competing interests.