"When wearing a mask, new infections decreased by 20 percent and deaths by 14 percent"
Australian medical researchers have discovered the fact that the use of masks is very useful for the effect of Omicron.
Australian medical researchers have discovered the fact that the use of masks is very useful for the effect of Omicron.
Recently, vitamin D deficiency has emerged as a major problem in the health sector. If we look at the context of Nepal, more and more people are found to be deficient in vitamin D.