Extended following most nations urged their citizens to put on masks, and immediately after months of hand-wringing about the caliber of the proof available, the entire world Health and fitness Group on Friday endorsed the use of face masks by the public to scale back transmission with the coronavirus.
Since the beginning in http://query.nytimes.com/search/sitesearch/?action=click&contentCollection®ion=TopBar&WT.nav=searchWidget&module=SearchSubmit&pgtype=Homepage#/마스크 the pandemic, shockingly, the W.H.O. had refused to endorse masks. The announcement was long overdue, critics claimed, as masks are an uncomplicated and inexpensive preventive evaluate.
Even in its newest assistance, the W.H.O. built its reluctance abundantly distinct, stating the usefulness of encounter masks is “not nonetheless supported by premium quality or immediate scientific evidence,” but that governments should really motivate mask sporting on account of “a escalating compendium of observational proof.”
The W.H.O. also provided an exhaustive listing of the possible negatives of putting on a mask, including “difficulty with communicating Obviously” and “potential distress.”
A review funded through the W.H.O. concluded this week that respirator masks, similar to the N95, are much better than surgical masks for health and fitness care workers. Additionally, it discovered that encounter shields, goggles and Eyeglasses may possibly supply more defense through the coronavirus.
Although the W.H.O. didn't budge from its previous tips for medical employees, saying that respirator masks are only needed 마스크 if this sort of personnel are linked to procedures that create virus-laden aerosols — droplets lesser than five microns.
Aside from All those circumstances, transmission of your virus thus far has only been demonstrated for bigger droplets and by Speak to, stated Dr. Benedetta Allegranzi, an infectious condition skilled and complex guide for the W.H.O.
Even though research have revealed that viral R.N.A. is current while in the air in particular health and fitness care configurations, “transmission differs, and it has not been demonstrated,” she claimed.
“It's disappointing that the W.H.O. is dismissing that most recent evidence that N95s are considerably more effective than surgical masks in defending wellness treatment employees from Covid-19 publicity,” reported David Michaels, an epidemiologist at George Washington University who headed the Occupational Basic safety and Health Administration in the Obama administration.
“If the trouble may be the lack of N95s, the W.H.O. should acknowledge that instead of faux that professional medical masks are Similarly productive.”