Lengthy soon after most nations urged their citizens to use masks, and soon after months of hand-wringing about the standard of the proof readily available, the whole world Health Corporation on Friday endorsed the usage of experience masks by the 마스크 public to scale back transmission from the coronavirus.
Given that the beginning on the pandemic, shockingly, the W.H.O. had refused to endorse masks. The announcement was lengthy overdue, critics stated, as masks are a simple and inexpensive preventive evaluate.
Even in its most current assistance, the W.H.O. produced its reluctance abundantly obvious, indicating the usefulness of confront masks is “not but supported by good quality or direct scientific evidence,” but that governments really should inspire mask putting on due to “a growing compendium of observational evidence.”
The W.H.O. also supplied an exhaustive listing of the prospective disadvantages of wearing a mask, including “problem with communicating clearly” and “possible irritation.”
A research funded by the W.H.O. concluded this 7 days that respirator masks, such as N95, are better than surgical masks for well being treatment employees. Additionally, it located that confront shields, goggles and glasses could offer supplemental defense from the coronavirus.
Nevertheless the W.H.O. did not budge from its earlier suggestions for professional medical employees, saying that respirator masks are only necessary if these employees are involved with processes that crank out virus-laden aerosols — droplets smaller than five microns.
Other than Individuals circumstances, transmission in the virus to date has only been shown for more substantial droplets and by contact, claimed Dr. Benedetta Allegranzi, an infectious disease pro and complex guide for that W.H.O.
While experiments have shown that viral R.N.A. is current from the air in specified health and fitness treatment options, “transmission is different, and it hasn't been shown,” she mentioned.
“It really is disappointing which the W.H.O. is dismissing that most recent proof that N95s are significantly simpler than surgical masks in shielding wellbeing care personnel from Covid-19 exposure,” said David Michaels, http://edition.cnn.com/search/?text=마스크 an epidemiologist at George Washington College who headed the Occupational Protection and Health and fitness Administration over the Obama administration.
“If the trouble is the lack of N95s, the W.H.O. should admit that instead of faux that health-related masks are Similarly effective.”