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لبس «الكمامة» تقلل خطر كورونا بنسبة 99.9% okaz.com.sa - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from okaz.com.sa Daily Mail and Mail on Sunday newspapers.
كويكب يمر بالقرب من الأرض يوم عيد الميلاد alhurra.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from alhurra.com Daily Mail and Mail on Sunday newspapers.
Updated Dec 24, 2020 | 10:39 IST According to the Institute for Health Metrics and Evaluation (IHME) in Seattle, Washington, 55,000 lives could be saved in the United States over the next four months. Masks block 99.9 per cent of large COVID-19 droplets, finds study  |  Photo Credit: iStock Images Face masks reduce the risk of spreading large Covid-linked droplets when speaking or coughing by up to 99.9 percent, according to a lab experiment with mechanical mannequins and human subjects, researchers said Wednesday. A woman standing two metres (yards) from a coughing man without a mask will be exposed to 10,000 times more such droplets than if he were wearing one, even if he is only 50 centimetres away, they reported in the journal Royal Society Open Science. ....
Masks block 99.9pc of large Covid-linked droplets: study - Newspaper dawn.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dawn.com Daily Mail and Mail on Sunday newspapers.
Study: Masks block 99.9% of COVID-linked droplets inquirer.net - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from inquirer.net Daily Mail and Mail on Sunday newspapers.