Extensive right after most nations urged their citizens to use masks, and following months of hand-wringing about the caliber of the evidence readily available, the whole world Wellbeing Corporation on Friday endorsed using face masks by the public to lower transmission in the coronavirus.
Given that the beginning from the pandemic, incredibly, the W.H.O. had refused to endorse masks. The announcement was long overdue, critics explained, as masks are an uncomplicated and cheap preventive evaluate.
Even in its most recent direction, the W.H.O. created its reluctance abundantly apparent, stating the usefulness of face masks is “not nonetheless supported by premium quality or direct scientific evidence,” but that governments ought to motivate mask sporting on account of “a developing compendium of observational proof.”
The W.H.O. also supplied an exhaustive listing of the probable negatives of wearing a mask, together with “issues with speaking Obviously” and “prospective discomfort.”
A examine funded 마스크 from the W.H.O. concluded this week that respirator masks, just like the N95, are a lot better than surgical masks for health and fitness care workers. Furthermore, it identified that facial area shields, goggles and Eyeglasses may well give added security through the coronavirus.
However the W.H.O. didn't budge from its former suggestions http://edition.cnn.com/search/?text=마스크 for medical staff, indicating that respirator masks are only wanted if these types of personnel are linked to techniques that generate virus-laden aerosols — droplets more compact than 5 microns.
In addition to those conditions, transmission from the virus up to now has only been demonstrated for more substantial droplets and by Make contact with, stated Dr. Benedetta Allegranzi, an infectious condition qualified and specialized lead for your W.H.O.
While scientific tests have proven that viral R.N.A. is present during the air in selected overall health care options, “transmission is different, and it hasn't been demonstrated,” she mentioned.
“It can be disappointing that the W.H.O. is dismissing that newest proof that N95s are much more practical than surgical masks in defending wellbeing treatment employees from Covid-19 exposure,” explained David Michaels, an epidemiologist at George Washington College who headed the Occupational Basic safety and Overall health Administration over the Obama administration.
“If the issue is the scarcity of N95s, the W.H.O. need to accept that instead of pretend that health-related masks are equally effective.”