The severity of COVID-19 is generally mediated by the human body’s immune response. Everyone’s immunity is different — which is why reactions to the virus are so varied — and there are various genetic, environmental and chronic disease factors that can influence this response. According to health24.com, one such factor is obesity. Those who have a body mass index (BMI) of more than 40 are 2.6 times more likely to die from a coronavirus infection.

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