Extensive after most nations urged their citizens to dress in masks, and after months of hand-wringing 마스크 about the standard of the evidence accessible, the planet Wellness Firm on Friday endorsed the usage of confront masks by the general public to lower transmission of your coronavirus.
Given that the start on the pandemic, incredibly, the W.H.O. had refused to endorse masks. The announcement was prolonged overdue, critics claimed, as masks are an uncomplicated and inexpensive preventive measure.
Even in its most current guidance, the W.H.O. manufactured its reluctance abundantly distinct, declaring the usefulness of face masks is “not but supported by good quality or direct scientific proof,” but that governments ought to really encourage mask putting on as a result of “a expanding compendium of observational evidence.”
The W.H.O. also furnished an exhaustive listing of the prospective down sides of carrying a mask, like “problem with speaking Plainly” and “potential irritation.”
A examine funded with the W.H.O. concluded this 7 days that respirator masks, just like the N95, are a lot better than surgical masks for wellness treatment workers. It also observed that face shields, goggles and Eyeglasses might offer more security from the coronavirus.
Even so the W.H.O. didn't budge from its former recommendations for health-related staff, indicating that respirator masks are only wanted if this kind of staff are associated with strategies that create virus-laden aerosols — droplets lesser than five microns.
Aside from These situation, transmission of the virus up to now has only been shown for larger sized droplets and by Make contact with, reported Dr. Benedetta Allegranzi, an infectious illness expert and complex guide for the W.H.O.
While scientific studies have shown that viral R.N.A. is existing from the air in certain health and fitness care configurations, http://query.nytimes.com/search/sitesearch/?action=click&contentCollection®ion=TopBar&WT.nav=searchWidget&module=SearchSubmit&pgtype=Homepage#/마스크 “transmission is different, and it hasn't been demonstrated,” she mentioned.
“It is disappointing which the W.H.O. is dismissing that most recent evidence that N95s are significantly more practical than surgical masks in defending overall health care workers from Covid-19 publicity,” explained David Michaels, an epidemiologist at George Washington University who headed the Occupational Basic safety and Well being Administration during the Obama administration.
“If the condition will be the lack of N95s, the W.H.O. should admit that and not pretend that medical masks are equally productive.”