Risk of secondhand smoke exposure and severity of COVID-19 infection: multicenter case-control study.
Frontiers in public health(2023)
摘要
The results of this study suggest that cumulative exposure to secondhand cigarette smoke is an independent risk factor for severe COVID-19 illness. More studies with the use of biomarkers and quantification of SHS exposure in the future are needed.
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关键词
secondhand smoke exposure,risk
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