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. 2023 Jul 7;68:1605526. doi: 10.3389/ijph.2023.1605526

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Copyright © 2023 Jiesisibieke, Liu, Yang, Chien and Tung.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Forest plots of COVID-19 vaccination effectiveness (Global, 2021). (A) Pooled risk ratio of messenger Ribonucleic acid vaccination. (B) Pooled risk ratio of Adenovirus vector vaccination. (C) Pooled risk ratio of Inactivated vaccination. (D) Pooled hazard ratio of messenger Ribonucleic acid vaccination. (E) Vaccination effectiveness of messenger Ribonucleic acid vaccination. (F) Vaccination effectiveness of inactivated vaccination. (G) COVID-19 event rate after overall COVID-19 vaccination.