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أدوات الموضوع | انواع عرض الموضوع |
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06-01-2020, 12:44 PM
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Wearing face masks at home can reduce Covid-19 spread by 79pc: study
BEIJING: The researchers wanted to know what factors might heighten or lessen the risk of subsequently catching the virus within the incubation period--14 days from the start of that person's symptoms.Chinese researchers have suggested that Wearing face masks at home is 79 per cent effective at...
أكثر... ??????? ??????: Wearing face masks at home can reduce Covid-19 spread by 79pc: study || ??????: ahlam1399 || ??????: اسم منتداك
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