New insights into the association between body-mass index and severe COVID-19

The emerging SARS-CoV-2 pandemic captured worldwide attention in the first months of 2020.1 Most people who become infected have mild disease or are asymptomatic, but many have severe and often fatal disease. Older age quickly emerged as the most important risk factor for poor outcomes, but obesity was one of a number of other factors rapidly identified as being associated with…

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