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. 2022 Nov 16;135(19):2282–2293. doi: 10.1097/CM9.0000000000002427

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Copyright © 2022 The Chinese Medical Association, produced by Wolters Kluwer, Inc. under the CC-BY-NC-ND license.

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Forest plots for the association between influenza vaccination and SARS-CoV-2 infection: (A) OR by random-effects model (B) Only adjusted OR by random-effects model. IV: Vaccinated against influenza group; nonIV: Unvaccinated against influenza group; SARS-CoV-2: Severe Acute Respiratory Syndrome Coronavirus 2; SE: Standard error of treatment estimate; TE: Treatment effect; OR: Odds ratio.