Long after most nations urged their citizens to put on masks, and soon after months of hand-wringing about the quality of the proof available, the earth Health and fitness Firm on Friday endorsed the usage of confront masks by the public to reduce transmission with the coronavirus.
Due to the fact the start of your 마스크 pandemic, shockingly, the W.H.O. had refused to endorse masks. The announcement was lengthy overdue, critics mentioned, as masks are a straightforward and inexpensive preventive evaluate.
Even in its most current advice, the W.H.O. produced its reluctance abundantly obvious, stating the usefulness of deal with masks is “not however supported by high-quality or direct scientific evidence,” but that governments should really encourage mask donning because of “a expanding compendium of observational proof.”
The W.H.O. also offered an exhaustive listing of the potential shortcomings of putting on a http://query.nytimes.com/search/sitesearch/?action=click&contentCollection®ion=TopBar&WT.nav=searchWidget&module=SearchSubmit&pgtype=Homepage#/마스크 mask, including “issue with speaking Evidently” and “likely distress.”
A examine funded by the W.H.O. concluded this 7 days that respirator masks, similar to the N95, are a lot better than surgical masks for health and fitness treatment employees. Furthermore, it observed that face shields, goggles and Eyeglasses may well provide further security within the coronavirus.
Although the W.H.O. didn't budge from its earlier tips for clinical staff, indicating that respirator masks are only necessary if this sort of staff are involved in techniques that create virus-laden aerosols — droplets scaled-down than five microns.
In addition to These situation, transmission of your virus to date has only been shown for more substantial droplets and by Call, claimed Dr. Benedetta Allegranzi, an infectious ailment skilled and technological direct for your W.H.O.
Whilst reports have shown that viral R.N.A. is present in the air in sure health and fitness care configurations, “transmission differs, and it has not been shown,” she stated.
“It is disappointing that the W.H.O. is dismissing that most up-to-date proof that N95s are far more effective than surgical masks in defending wellbeing treatment staff from Covid-19 publicity,” mentioned David Michaels, an epidemiologist at George Washington University who headed the Occupational Safety and Health Administration over the Obama administration.
“If the problem is the lack of N95s, the W.H.O. must acknowledge that and not pretend that professional medical masks are Similarly successful.”