Practical handling of allergic reactions to COVID-19 vaccines: A position paper from German and Austrian Allergy Societies AeDA, DGAKI, GPA and ÖGAI.

Allergo J Int · 2021 · PMC8054127 · PMID 33898162

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a clear trendno p-value reported

Because of the small number of severe cases of COVID-19 disease, statistical significance for efficacy in preventing severe COVID-19 disease could not be determined, but there was a clear trend in favor of BNT162b2 (66.4%, 95% CI −124.8 to 96.3).

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