Correlation between polio immunization coverage and overall morbidity and mortality for COVID-19: an epidemiological study.

Environ Sci Pollut Res Int · 2021 · PMC7923406 · PMID 33651292

Europe PMC DOI

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highly significantno p-value reported

Noteworthy, this finding was highly significant, indicating that polio vaccination does not protect against COVID-19 or slow its spread.

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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.