Estimating the impact of pneumococcal conjugate vaccines on childhood pneumonia in sub-Saharan Africa: A systematic review.

F1000Res · 2020 · PMC7713889 · PMID 33335713

Europe PMC DOI

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did not reach statistical significanceno p-value reported

using community controls showed a vaccine effectiveness of about 28%, however, this did not reach statistical significance.

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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.