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Analysis of the Effectiveness of Measures on the COVID-19 Vaccination Rate in Hong Kong

Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
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Author to whom correspondence should be addressed.
Academic Editor: S. Louise Cosby
Vaccines 2022, 10(5), 747; https://doi.org/10.3390/vaccines10050747
Received: 20 March 2022 / Revised: 1 May 2022 / Accepted: 6 May 2022 / Published: 10 May 2022
(This article belongs to the Special Issue Vaccination Strategies for COVID-19)
Background: The World Health Organization has set a target of at least 70% of the global population being vaccinated by the middle of 2022. There are only 17 countries that achieved a 70% vaccination rate (VR). This study aims to analyze the effectiveness of public policies to increase the COVID-19 VR. Methods: vaccination figures of all eligible population groups in Hong Kong from 22 February 2021 to 23 January 2022, were extracted for analysis. Weekly acceleration in the VR (AVR) was calculated as a measure of policy effectiveness. A total of 13 identified measures were classified into four policy categories: eligibility, accessibility, incentives, and restrictions. Age-weighted AVR (AWAVR) was compared by age group and policy presence vs. absence using Mann–Whitney U tests. Results: the AWAVR means across age groups ranged from −1.26% to +0.23% (p = 0.12) for eligibility; accessibility ranged from +0.18% to +1.51% (p < 0.0001); incentives ranged from +0.11% to +0.68% (p < 0.0001); and restrictions ranged from +0.02% to +1.25% (p < 0.0001). Conclusions: policies targeting accessibility, incentives, and restrictions are effective at increasing the VR. These results may serve as a policy reference. View Full-Text
Keywords: COVID-19 vaccine; vaccination measure; vaccination rate COVID-19 vaccine; vaccination measure; vaccination rate
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MDPI and ACS Style

Chu, Y.-K.; Chung, P.-H.; Pang, F.-C. Analysis of the Effectiveness of Measures on the COVID-19 Vaccination Rate in Hong Kong. Vaccines 2022, 10, 747. https://doi.org/10.3390/vaccines10050747

AMA Style

Chu Y-K, Chung P-H, Pang F-C. Analysis of the Effectiveness of Measures on the COVID-19 Vaccination Rate in Hong Kong. Vaccines. 2022; 10(5):747. https://doi.org/10.3390/vaccines10050747

Chicago/Turabian Style

Chu, Yui-Ki, Pui-Hong Chung, and Fei-Chau Pang. 2022. "Analysis of the Effectiveness of Measures on the COVID-19 Vaccination Rate in Hong Kong" Vaccines 10, no. 5: 747. https://doi.org/10.3390/vaccines10050747

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