Safety and efficacy of BCG re-vaccination in relation to COVID-19 morbidity in healthcare workers: A double-blind, randomised, controlled, phase 3 trial.

EClinicalMedicine · 2022 · PMC9098089 · PMID 35582122

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an unexpected trendno p-value reported

It is plausible that BCG elicited a more aggressive anti-viral response, resulting in an unexpected trend toward more symptomatic and severe RTIs, while offering protection from death.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.