A vegan or plant-based diet cannot prevent a person from developing COVID-19, but it may help support a healthy immune system. This in turn could aid in SARS-CoV-2 infection prevention and lower the risk of severe symptoms.
People should note, that there is no direct evidence to support a link between a plant-based or vegan diet and protection from COVID-19 or other severe diseases.
That said, plant-based diets can also decrease a person’s risk of obesity and chronic diseases. These are conditions that tend to worsen the outcome of COVID-19.
This article explores plant-based diets and their health benefits in