Acknowledgments
INFECTIOUS DISEASES, ALLERGY
This project was supported by the Health and Medical Research Fund (number COVID19F09), and the Theme-based Research Scheme of the Research Grants Council (RGC) of the Hong Kong Special Administrative Region, China (grant number T11–705/21-N). NHLL is supported by a Health and Medical Research Fund Research Fellowship Scheme grant (number 07210157) from the Health Bureau of the Hong Kong Special Administrative Region, China, and the Takemi Program in International Health (2022–23) at the Harvard T H Chan School of Public Health, Boston, MA, USA. BJC is supported by the National Institute of Allergy and Infectious Diseases, National Institutes of Health, Department of Health and Human Services, under contract number 75N93021C00015, and a RGC Senior Research Fellow Scheme grant (grant number HKU SRFS2021–7S03) from the RGC of the Hong Kong Special Administrative Region, China. We gratefully acknowledge colleagues, including Teresa So, Eileen Yu, Anson Ho, Julie Au, and Lilly Wang for technical and administrative support.