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Volume 29, Number 9—September 2023
Dispatch

Effects of School-Based Preventive Measures on COVID-19 Incidence, Hong Kong, 2022

Tim K. TsangComments to Author , Xiaotong Huang, Min Whui Fong, Can Wang, Eric H.Y. Lau, Peng Wu, and Benjamin J. Cowling
Author affiliations: The University of Hong Kong, Hong Kong, China (T.K. Tsang, X. Huang, M.W. Fong, C. Wang, E.H.Y. Lau, P. Wu, B.J. Cowling); Laboratory of Data Discovery for Health Limited, Hong Kong Science and Technology Park, Hong Kong (T.K. Tsang, E.H.Y. Lau, P. Wu, B.J. Cowling)

Main Article

Figure 1

Epidemiology of 5th and 6th COVID-19 outbreak waves, Hong Kong, 2022, evaluated in study of effects of school-based preventive measures on COVID-19 incidence. A) Epidemic curves of 5th (February–April 2022, left) and 6th (beginning in June 2022, right) COVID-19 waves according to reporting date and test type. B) Incidence rate ratios of school-age children in kindergarten (age 2–5 y), primary schools (age 6–11 y), and secondary schools (age 12–17 y) in the 5th and 6th COVID-19 waves. Referent was adults (age >18 y). Yellow shading indicates a school holiday. RAT, rapid antigen test.

Figure 1. Epidemiology of 5th and 6th COVID-19 outbreak waves, Hong Kong, 2022, evaluated in study of effects of school-based preventive measures on COVID-19 incidence. A) Epidemic curves of 5th (February–April 2022, left) and 6th (beginning in June 2022, right) COVID-19 waves according to reporting date and test type. B) Incidence rate ratios of school-age children in kindergarten (age 2–5 y), primary schools (age 6–11 y), and secondary schools (age 12–17 y) in the 5th and 6th COVID-19 waves. Referent was adults (age >18 y). Yellow shading indicates a school holiday. RAT, rapid antigen test.

Main Article

Page created: July 12, 2023
Page updated: August 20, 2023
Page reviewed: August 20, 2023
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