Volume 29, Number 9—September 2023
Dispatch
Effects of School-Based Preventive Measures on COVID-19 Incidence, Hong Kong, 2022
Tim K. Tsang
, Xiaotong Huang, Min Whui Fong, Can Wang, Eric H.Y. Lau, Peng Wu, and Benjamin J. Cowling
, Xiaotong Huang, Min Whui Fong, Can Wang, Eric H.Y. Lau, Peng Wu, and Benjamin J. Cowling
Table 1
Summary of territorywide preventive measures implemented during the 5th and 6th waves of the COVID-19 outbreak in Hong Kong evaluated in study of effects of school-based preventive measures on COVID-19 incidence, 2022
| Preventive measures | Focus | Period |
|---|---|---|
| Masks | ||
| A person must wear a mask at all times when entering or attending school. |
School staff, students |
2020 Jan 23–2023 Feb 28 |
| School closure | ||
| Suspend face-to-face classes and on-campus activities | Kindergarten and primary school students | 2022 Jan 14–2022 Apr 18 |
| Students in secondary schools | 2022 Jan 24–2022 Apr 28 | |
| Allow some mask-wearing activities on a half-day basis | Kindergarten, primary school, and secondary school students | 2022 May 19–2022 Oct 31 |
| Resume half-day nonacademic extracurricular activities for those who received 2 vaccine doses >14 d apart | Students in primary schools | 2022 Oct 25–2023 Feb 14 |
| Resume half-day nonacademic extracurricular activities for those who received 3 vaccine doses >14 d apart | Students in secondary schools | 2022 Oct 1–2023 Jan 31 |
| Resume whole-day face-to-face classes if >90% of vaccination-eligible students (entire school or at individual class level) received >2 vaccine doses >14 d apart | Students in secondary schools | 2022 Nov 1–2023 Jan 31 |
| Resume whole-day face-to-face classes if >70% of vaccination-eligible students (entire school or at individual class level) received >2 vaccine doses >14 d apart | Students in primary schools | 2022 Dec 1–2023 Feb 14 |
| Resume whole-day face-to-face classes | Students in secondary schools | Beginning 2023 Feb 1 |
| Resume whole-day face-to-face classes |
Students in primary schools |
Beginning 2023 Feb 15 |
| COVID-19 tests | ||
| Daily rapid antigen test result is required before returning to school for work or lessons |
School staff and students |
2022 Apr 19–2023 Mar 15 |
| Vaccine pass | ||
| A valid vaccine pass is required for school entry |
School staff, students12–17 years of age |
2022 Feb 23–2022 Dec 29 |
| Vaccination | ||
| >1 dose | Students 5–11 years of age | 2022 Sep 30–2022 Nov 29 |
| School staff, students 12–17 years of age | 2022 Feb 24–2022 Jun 29 | |
| >2 doses | Students 5–11 years of age | 2022 Nov 30–2023 Feb 15 |
| School staff, students 12–17 years of age | 2022 Jun 30–2022 Nov 29 | |
| >3 doses | School staff, students 12–17 years of age | 2022 Nov 30–2023 Feb 1 |
Page created: July 12, 2023
Page updated: August 20, 2023
Page reviewed: August 20, 2023
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