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. 2022 Dec 7;2022(12):CD015477. doi: 10.1002/14651858.CD015477

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Copyright © 2023 The Authors. Cochrane Database of Systematic Reviews published by John Wiley & Sons, Ltd. on behalf of The Cochrane Collaboration.

This is an open access article under the terms of the Creative Commons Attribution-Non-Commercial-No-Derivatives Licence, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Analysis 3.1.6: inactivated virus vaccine. Outcome: systemic reactogenicity events.

Xia S 2021 included only participants 3 to 17 years of age (Xia 2021). Wu Z 2021 included only participants 60 years of age and older (Wu 2021a).

Wu Z 2021 reports data for phase 2 (Wu 2021a). Al Kaabi 2021.1 and Al Kaabi N 2021.2 refer to two different comparisons from the same report (Al Kaabi 2021). Zhang 2020.1 and Zhang 2020.2 refers to two different comparisons from the same report (Zhang 2021).