High blood glucose levels double risk of death
if infected with Covid-19

https://medicalxpress.com/news/2020-07-abnormally-high-blood-sugar-linked.html

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Previous studies have established that hyperglycaemia (abnormally high blood sugar) is associated with an elevated risk of mortality in community-acquired pneumonia, stroke, heart attacks, trauma and surgery, among other conditions.

A number of studies have also shown links between diabetes and poor outcomes in COVID-19 patients. However, direct correlation between fasting blood glucose (FBG) level at admission to hospital and clinical outcomes of COVID-19 patients without diagnosed diabetes has not been well established. In this new study the authors examined the association between FBG on admission and the 28-day mortality

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I wonder if going on an Adkins style diet with more calories from fat and protein would be protective?

Many Americans have put on 15+ lbs in the last few months.