The Natural Effect of BCG Vaccination on COVID-19: The Debate Continues.

Front Immunol · 2022 · PMC9309283 · PMID 35898508

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an unexpected trendno p-value reported

The study reported that BCG revaccination failed to protect HCWs from SARS-CoV-2 infection, severe COVID-19, hospitalization, and respiratory tract infections (RTIs), on the contrary, resulting in an unexpected trend toward more symptomatic and severe RTIs.

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