the world health organization revised its recommendations for use of masks, according to RIA Novosti. The Director General of the who tedros adhanom Ghebreyesus called on the briefing wearing them in public transport, shops and other crowded places. Of ghebreyesus referred to new research findings and recommended from the person who the States on the use of masks by the public where noted “widespread dissemination of the virus and difficult physical distancing”.
Previously the who had recommended wearing masks only to patients COVID-19. In light of recent data, the wearing of masks is recommended for physicians working not only with patients with coronavirus. And people with chronic diseases and over the age of 60.
who stresses that for effective protection against virus mask must contain at least three layers of fabric.