https://www.selleckchem.com/pr....oducts/Trichostatin-
Vitamin D deficiency is very common.•Randomised controlled trials showed that vitamin D decreases acute respiratory infections (ARIs).•Vitamin D deficiency is an easily modifiable factor of ARIs.•Daily vitamin D supplementation with moderate doses is safe and cheap.•Even a small decrease in COVID-19 infections would easily justify this intervention.Prenatal COVID-19 infection is anticipated by the U.S. Centers for Disease Control to affect fetal development similarly to other common respiratory coronaviruses through effects of th