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Wearing a mask alone may not be enough to prevent the spread of COVID-19 without social distancing, suggests a new study published in Physics of Fluids.
Investigators examined the impact of five different types of mask materials on the spread of droplets that carry the coronavirus when someone coughs or sneezes. Every material tested led to a dramatic reduction in the number of droplets that were spread. However, at distances of less than 6 feet, enough droplets made it through several of the materials that can potentially cause the illness.
Krishna Kota, an associate professor at New Mexico State University, one of the authors of the article, stated that while a mask does help, if people are very close to one another, a chance of spreading or contracting the virus is still there… (HT – ANI, December 23, 2020)