A New Study Questions Whether Masks Protect Wearers. You Need to Wear Them Anyway.

At the moment, 2 p.c of the Danish inhabitants was contaminated — a charge decrease than that in lots of locations in the USA and Europe at the moment. Social distancing and frequent hand-washing have been widespread, however masks weren’t.

About 4,860 individuals accomplished the research. The researchers had hoped that masks would lower the an infection charge by half amongst wearers. As an alternative, 42 individuals within the masks group, or 1.eight p.c, received contaminated, in contrast with 53 within the unmasked group, or 2.1 p.c. The distinction was not statistically vital.

“Our research offers a sign of how a lot you achieve from carrying a masks,” mentioned Dr. Henning Bundgaard, lead writer of the research and a heart specialist on the College of Copenhagen. “Not so much.”

Dr. Mette Kalager, a researcher at Telemark Hospital in Norway and the Harvard College of Public Well being, was persuaded. The research confirmed that “though there is perhaps a symbolic impact,” she wrote in an e mail, “the impact of carrying a masks doesn’t considerably cut back threat” for wearers.

Different consultants have been unconvinced. The incidence of infections in Denmark was decrease than it’s at the moment in lots of locations, which means the effectiveness of masks for wearers might have been more durable to detect, they famous.

Individuals reported their very own take a look at outcomes; masks use was not independently verified, and customers might not have worn them appropriately.

“There’s completely little doubt that masks work as supply management,” stopping individuals from infecting others, mentioned Dr. Thomas Frieden, chief government of Resolve to Save Lives, an advocacy group, and former director of the C.D.C., who wrote an editorial outlining weaknesses of the analysis.

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