Double-masking might not protect against Covid-19, but rather raises the risk of infection as well as transmission, US researchers have claimed, in a study.The study published in Physics of Fluids, suggests double masking with improperly fitted .
In its updated guidance at the start of 2022, the U.S. Centers for Disease Control and Prevention said loosely woven cloth masks offer the least protection against COVID-19, and N95 and KN95 masks offer the most protection.
New York, May 4 (IANS) Double-masking might not protect against Covid-19, but rather raises the risk of infection as well as transmission, US researchers have
MIL-OSI Switzeralnd: Federal Council appoints Martin Schlegel as new Vice Chairman of Swiss National Bank's Governing Board foreignaffairs.co.nz - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from foreignaffairs.co.nz Daily Mail and Mail on Sunday newspapers.