Study Finds Two Masks Are Better Than One Against COVID ١٩

أكثر من ٤ سنوات فى St.Lucia Times

U.S. government researchers found that two masks are better than one in slowing coronavirus spread, but health officials stopped short of recommending that everyone double up. The Centers for Disease Control and Prevention on Wednesday reported the results of a lab experiment that spaced two artificial heads six feet from each other and checked to […]
This article Study Finds Two Masks Are Better Than One Against COVID-19 appeared first on St. Lucia Times News.

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