Lengthy soon after most nations urged their citizens to use masks, and after months of hand-wringing about the quality of the evidence obtainable, the globe Health and fitness Firm on Friday endorsed the use of face http://www.bbc.co.uk/search?q=마스크 masks by the public to scale back transmission of your coronavirus.
Due to the fact the beginning on the pandemic, shockingly, the W.H.O. had refused to endorse masks. The announcement was lengthy overdue, critics said, as masks are an uncomplicated and cheap preventive measure.
Even in its most up-to-date advice, the W.H.O. built its reluctance abundantly clear, stating the usefulness of facial area masks is “not yet supported by high-quality or immediate scientific proof,” but that governments should stimulate mask donning on account of “a rising compendium of observational proof.”
The W.H.O. also furnished an exhaustive list of the possible disadvantages of sporting a mask, such as “difficulty with communicating Plainly” and “possible discomfort.”
A study funded through the W.H.O. concluded this 7 days that respirator masks, just like the N95, are much better than surgical masks for wellbeing treatment employees. It also identified that experience shields, goggles and Eyeglasses may possibly offer extra safety from the coronavirus.
Although the W.H.O. did not budge from its previous tips for healthcare staff, declaring that respirator masks are only essential if this sort of personnel are linked to techniques that generate virus-laden aerosols — 마스크 droplets more compact than 5 microns.
In addition to Those people instances, transmission on the virus to this point has only been demonstrated for larger droplets and by Call, explained Dr. Benedetta Allegranzi, an infectious illness pro and specialized lead for that W.H.O.
Even though studies have shown that viral R.N.A. is existing in the air in specified overall health care settings, “transmission differs, and it hasn't been demonstrated,” she explained.
“It truly is disappointing which the W.H.O. is dismissing that hottest proof that N95s are considerably more practical than surgical masks in guarding wellbeing treatment workers from Covid-19 publicity,” mentioned David Michaels, an epidemiologist at George Washington College who headed the Occupational Basic safety and Well being Administration through the Obama administration.
“If the situation may be the shortage of N95s, the W.H.O. ought to admit that instead of fake that clinical masks are Similarly effective.”