Lengthy soon after most nations urged their citizens to put on masks, and after months of hand-wringing about the quality of the proof accessible, the whole world Wellness Business on Friday endorsed the usage of encounter masks by the general public to reduce transmission from the coronavirus.
Given that the start from the http://edition.cnn.com/search/?text=마스크 pandemic, remarkably, the W.H.O. experienced refused to endorse masks. The announcement was extensive overdue, critics reported, as masks are an easy and inexpensive preventive measure.
Even in its most current guidance, the W.H.O. manufactured its reluctance abundantly distinct, indicating the usefulness of deal with masks is “not still supported by superior quality or direct scientific evidence,” but that governments really should stimulate mask wearing on account of “a increasing compendium of observational proof.”
The W.H.O. also supplied an exhaustive list of the opportunity shortcomings of putting on a mask, which include “problem with communicating clearly” and “possible pain.”
A review funded 마스크 with the W.H.O. concluded this 7 days that respirator masks, such as the N95, are a lot better than surgical masks for health and fitness treatment staff. Furthermore, it located that experience shields, goggles and Eyeglasses may possibly give further protection within the coronavirus.
Nevertheless the W.H.O. didn't budge from its former suggestions for clinical workers, expressing that respirator masks are only wanted if such staff are involved with strategies that create virus-laden aerosols — droplets smaller sized than 5 microns.
Other than Individuals instances, transmission from the virus to date has only been shown for bigger droplets and by Get hold of, stated Dr. Benedetta Allegranzi, an infectious sickness qualified and technological guide to the W.H.O.
Although experiments have proven that viral R.N.A. is current from the air in selected well being care options, “transmission is different, and it has not been demonstrated,” she explained.
“It really is disappointing that the W.H.O. is dismissing that latest proof that N95s are far more effective than surgical masks in defending health care personnel from Covid-19 exposure,” explained David Michaels, an epidemiologist at George Washington University who headed the Occupational Security and Health Administration in the course of the Obama administration.
“If the challenge could be the shortage of N95s, the W.H.O. should acknowledge that instead of fake that healthcare masks are equally powerful.”