Serological evidence of subclinical transmission of the 2009 pandemic H1N1 influenza virus outside of Mexico.

PLoS One · 2011 · PMC3022590 · PMID 21267441

Europe PMC DOI

hedged sentence

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closest p

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boldest claim

The sentences

quite significantno p-value reported

Although it is still possible that the cross-reactive antibodies present in the serum could still neutralize the virus, our incidence rate during the early phase (April to June) of the epidemic was still quite significant.

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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.