Investigating links between long-term air pollution exposure and the risk of SARS-CoV-2 infection, COVID-19 hospitalisation and mortality: a systematic review and meta-analysis of cohort studies
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Air pollution exposure is suggested to be associated with SARS-CoV-2 infection and COVID-19 outcomes. Available systematic reviews and meta-analyses included studies of various study designs which could be vulnerable to ecological bias. We systematically revie... ...