Is living in a household with children associated with SARS-CoV-2 seropositivity in adults? Results from the Swiss national seroprevalence study Corona Immunitas.

BMC Med · 2022 · PMC9207841 · PMID 35725472

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a strong trendno p-value reported

A strong trend of higher odds of SARS-CoV-2 seropositivity with every additional child in the household remained after we accounted only for participants with at least two children in the household.

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a positive trendno p-value reported

based on PCR-data in Denmark, which has shown a positive trend of higher hazard ratios for SARS-CoV-2 infection when living in a household with one, two, and three or more children, respectively [ 12 ].

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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.