More evidence shows that a plant-based diet may help prevent severe COVID-19. The smartphone-based COVID Symptom Study, including 592,571 participants, found that dietary patterns that were highest in fruits, vegetables, and plant-based foods in general were associated with a 41% lower risk of severe COVID-19 and a 9% reduction of COVID-19 infection of any severity, compared to diets lowest in these foods.
Merino J, Joshi AD, Nguyen LH, et al. Diet quality and risk and severity of COVID-19: a prospective cohort study. medRxiv. Published online June 25, 2021. doi: 10.1101/2021.06.24.21259283v1