Scientists have started to investigate the role gut microbiota might play in either protecting against COVID-19 or on the contrary in increasing vulnerability to severe symptomatic disease. Any conclusions would be highly relevant to preventing increased mortality among elderly nursing home residents.

COVID-19 primarily attacks the respiratory system. However, the links between the latter, your digestive tract and immune system make an examination of the role of nutrition and the gut microbiota in the fight against the virus relevant. Here is the first article of a two-part series on the subject.