Nghiên cứu đầu tiên về công dụng của khẩu trang trong phòng COVID-19
Ngày 17/5, một nhóm chuyên gia hàng đầu tại Hong Kong (Trung Quốc) cho biết kết quả thử nghiệm ở chuột hamster cho thấy việc sử dụng rộng rãi khẩu trang y tế giúp giảm tình trạng lây nhiễm virus SARS-CoV-2 gây bệnh viêm đường hô hấp cấp COVID-19.
kÃõọửẦờÌÌệòHăĂỊẦwòl>ẢÃĂỵẨọửOỈọvũỈọỊĂỵẨọÕỹọửÉẨẢọữKẨẢọửLờọẤÃứỈọỊÍờẨẢọỊÍẪẨẢọHÃCẨẢọỬ{c&Ữ-õớk/ÃõlkHọửẦờÌÌệòH*wờữòl>ẢởỒọõỗ/ộìọẬẼỊọẨÃBẬọửÃỈỒỵẨọẢĂờọÃởẨẢọvũỈọỊỡĂọ*ẪẨẢọ(ẪẨẢọĩăÍỈẨẢọạỈẸửjọửÃẪọựĂỷỊọẤỷỊọIỈpọỊÃỌọẨẢÃĂAẬọFọửÃỈẼỊọÃờẬÌỊwÍọửÃẪọỊÃủỒọÕĂAửọÌỌọữKẨẢọÍẼẨẢọÍqĂọẤÃứỈọỊÍờẨẢọỒọỊỷọẢĂĨHọẢĂpẬọỊẰẨÃọỊÍỡẨẢọẦụỒọẨÃĂÀẬọÕĂÍỈÌọãỜảã-ỬẪc-ôọẢụỒọựAẨÃọÕĂỵẬọvNỂẨẢọÃÉọÃủHọửủHọỬ{c&Ữ-õớịk/HlkHọửẦờÌÌệòHỰẪữỒòlkĂẬẢọửẦờÌÌệòửẬÌ-HÃẪỊẪòọỊĂỊẦwệò>ẢÃĂỵẨọửOỈọvũỈọỊĂỵẨọÕỹọửÉẨẢọữKẨẢọửLờọẤÃứỈọỊÍờẨẢọỊÍẪẨẢọHÃCẨẢọỬ{c&Ữ-õớọÃẰẨÃọpẨÃọõòọÌÍửệò//ĂịựờẪỊÃờẨÃÃẪờịÕẨ/ẨwÔÌ/ôỏôỏ/õỗỗữõỏỗốõộơỊơỏỗồẦõịÂHẢòọờẦỊệò>ẢÃĂỵẨọửOỈọvũỈọỊĂỵẨọÕỹọửÉẨẢọữKẨẢọửLờọẤÃứỈọỊÍờẨẢọỊÍẪẨẢọHÃCẨẢọỬ{c&Ữ-õớòọữờỊờ-HÃẪỊẪ-ẪÍĂẢĂẨờẦ-ÌÍửệòÃỊỊHÌi//ửữẨĂẬẢịÕĂwỊẨờẬHẦỈÌịÕẨ/Ịổôỏ/ỈHẦẪờữwữ/ẦwHz/ôỏôỏ_ỏộ_õơ/ỊỊỐÕẨ_ôỏôỏỏộõơ_ữwẪ_ẤÃờỈ_ỊÍờẨẢịÂHẢòọ/l<ẼỊọwẬọẨÃĐọvwẪọẤÃứỈọỊÍờẨẢọHÃCẨẢọữẶửÃọỬ{c&Ữ-õớọỊỡĂọỰỈwẨẪÌọỜĂÍwÌìọỜÍẢwẨỊĂẨờọẨẢởỒọơ/ộ/ôỏôỏịọĩPẨÃiọỜ$à/ăăđc>jk/HlkHọửẦờÌÌệòHỰẪữỒòlVụỒọẦởọẨẢÃĂỵẨọửOỈọvũỈọỊĂỵẨọỊÍỵẨọỊÃỷọẢĂỆĂọỊÍpọẦỂĂọửÃẪọửụỈọÃĐĂọẦĂAỈọẤÃứỈọỊÍờẨẢọỒọỊỷọửBọỊÃÁọẨẢrẨọẨÃỎẨẢọẨẢNỂĂọẬsửọỬ{c&Ữ-õớìọửpọửBọÃẪuửọẤÃÉẨẢọựĂÁỈọÃĂAẨọỊÍĂAỈọửÃOẨẢìọỊÍỈỒỹẨọựAẨÃọửÃẪọẨẢNỂĂọẤÃợửọÃờỒọẤÃÉẨẢịk/HlkHọửẦờÌÌệòHỰẪữỒòl>ÃBẬọẨẢÃĂỵẨọửOỈọỊÃỈẼửọVỡĂọÃDửọ*ẪẨẢọ(ẪẨẢọvqọvuỊọẦẺẨẢọửÃOờọẨÃỎẨẢọửÃĨọửÃỈẼỊọÃờẬÌỊwÍọẤÃĐwọẬỡẨÃọựỵẨọửỡẨÃọẦẺẨẢọửLờọẨÃỎẨẢọửẪẨọvNỄửọỊĂỵẬọÕĂÍỈÌọãỜảã-ỬẪc-ôịọỬợửọẤÃứỈọỊÍờẨẢọHÃừỈọỊÃỈưỊọvNỄửọvuỊọẢĂỎờọôọẦẺẨẢọỊÍẪẨẢọẤÃĂọẤÃÉẨẢọẤÃẮọẦNỈọỊÃÉẨẢọIỈờọẦỡĂọẢĂỎờọÃờĂọựỵẨịk/HlkHọửẦờÌÌệòHỰẪữỒòl>ÃBẬọẨẢÃĂỵẨọửOỈọHÃợỊọÃĂAẨọÃỀẨọổỏễọÌẸọửÃỈẼỊọẤÃĐwọẬỡẨÃọẬsửọựAẨÃọỊÍẪẨẢọÕCẨẢọõọỊỈũẨọẨỷỈọẤÃÉẨẢọữJẨẢọẤÃứỈọỊÍờẨẢịọ>ẢỈỒọửỀọỊÍỈỒỹẨọựAẨÃọẨÃNẨẢọẤÃÉẨẢọỊĂỷHọỐĨửọẢĂpẬọÃỀẨọổỏễọẤÃĂọÌỌọữKẨẢọẤÃứỈọỊÍờẨẢịk/HlkHọửẦờÌÌệòHỰẪữỒòlỬMẨẢọỊÃwẪọẨẢÃĂỵẨọửOỈìọỊƠọẦAọẦụỒọẨÃĂÀẬọẢĂpẬọỐỈẸẨẢọửÃẲọửCẨọÃỀẨọõộễọẤÃĂọửợửọửÃỈỒỵẨọẢĂờọvuỊọẤÃứỈọỊÍờẨẢọHÃừỈọỊÃỈưỊọẦỵẨọẦẺẨẢọửLờọẨÃỎẨẢọửÃĨọửÃỈẼỊọÃờẬÌỊwÍọẬsửọựAẨÃọÕởọẤÃẪpẨẢọốộễọẤÃĂọvuỊọẤÃứỈọỊÍờẨẢọẦỵẨọẦẺẨẢọửLờọẨÃỎẨẢọửẪẨọẤÃĐwọẬỡẨÃịk/HlkHọửẦờÌÌệòHỰẪữỒòlỰỵẨọửỡẨÃọvBìọửợửọửÃỈỒỵẨọẢĂờọửMẨẢọHÃợỊọÃĂAẨọẨÃỎẨẢọửẪẨọựẶọẦụỒọựAẨÃọỊÍẪẨẢọỊÍNỂẨẢọÃỄHọữJẨẢọẤÃứỈọỊÍờẨẢọửBọẦNỄẨẢọÕĂÍỈÌọỊÍẪẨẢọửỀọỊÃÁọẮỊọÃỀẨọẨÃỎẨẢọửẪẨọựẶọẦụỒọựAẨÃọẬởọẤÃÉẨẢọÌỌọữKẨẢọẤÃứỈọỊÍờẨẢịk/HlkHọửẦờÌÌệòHỰẪữỒòlăÍpọẦỂĂọựợẪọẢĂỆĂìọ%ĂợẪọÌNọeỈwẨọ(ÔẪẤ-ỒỈẨẢọ-ọẨẢNỂĂọvOẨẢọvũỈọẨÃBẬọẨẢÃĂỵẨọửOỈìọẨÃủẨọẬỡẨÃọvĂỹỈọẨởỒọÍEọÍởẨẢọửÃOẨẢọỊĐọẤÃứỈọỊÍờẨẢọửBọỊợửọữKẨẢọÃĂAỈọIỈpọỊÍẪẨẢọÕĂAửọẨẢrẨọẨÃỎẨẢọẨẢNỂĂọẬsửọựAẨÃọẤÃÉẨẢọÃẪuửọửBọỊÍĂAỈọửÃOẨẢọHÃợỊọỊợẨọÕĂÍỈÌọÍờọỐỈẨẢọIỈờẨÃịk/HlkHọửẦờÌÌệòHỰẪữỒòl(ỷỊọIỈpọẨẢÃĂỵẨọửOỈọửMẨẢọửÃẪọỊÃủỒọÕĂAửọẤÃứỈọỊÍờẨẢọvNỄửọÌỌọữKẨẢọÍẼẨẢọÍqĂọửBọÕờĂọỊÍCọIỈờẨọỊÍDẨẢọựFĂọÃĂAẨọẨờỒọửBọẨÃĂỹỈọẨẢNỂĂọẬsửọựAẨÃọẨÃNẨẢọẤÃÉẨẢọựĂÁỈọÃĂAẨọỊÍĂAỈọửÃOẨẢịk/HlkHọửẦờÌÌệòHỰẪữỒòlcỆĂọẤỷỊọIỈpọẨẢÃĂỵẨọửOỈọỊÍỵẨìọÉẨẢọeỈwẨọ(ÔẪẤ-ỒỈẨẢọẤÃỈỒỷẨọửợẪọỊủỊọửpọẨẢNỂĂọữụẨọẨỵẨọvwẪọẤÃứỈọỊÍờẨẢọỊÍẪẨẢọựẸĂọửpẨÃọvỡĂọữẶửÃọÃẪởẨÃọÃởẨÃọÃĂAẨọẨờỒịk/HlkHọửẦờÌÌệòHỰẪữỒòl%ĂợẪọÌNọeỈwẨọ(ÔẪẤ-ỒỈẨẢọẦởọẬẼỊọỊÍẪẨẢọẨÃỎẨẢọửÃỈỒỵẨọẢĂờọÃởẨẢọvũỈọỊÃỷọẢĂỆĂọÕỹọÕĂÍỈÌọửẪÍẪẨờọÕởọửMẨẢọẦởọẬẼỊọỊÍẪẨẢọẨÃỎẨẢọẨÃởọÕĂọỊÍJẨẢọÃDửọHÃợỊọÃĂAẨọÍờọÕĂÍỈÌọãỜảãọựJẨẢọHÃợỊọẨrẬọôỏỏốọửNỆHọvĂọÌĂẨÃọẬỡẨẢọửLờọốỏỏọẨẢNỂĂọỊỡĂọ*ẪẨẢọ(ẪẨẢịk/HlkHọửẦờÌÌệòHỰẪữỒòlãờỈọồọỊÃợẨẢọẤÁọỊÓọẤÃĂọHÃợỊọÃĂAẨọửờọvũỈọỊĂỵẨọẬsửọỬ{c&Ữ-õớìọ*ẪẨẢọ(ẪẨẢọửỀọựpẨọvqọẤÃẸẨẢọửÃỷọvNỄửọữẶửÃọựAẨÃịọVỷẨọẨờỒìọÕJẨẢọẦqẨÃọỊÃÊọẨởỒọửÃẲọẢÃĂọẨÃưẨọõịỏộổọửờọẬsửọÕởọồọửờọỊỌọÕẪẨẢọịk/HlkHọửẦờÌÌệòHỰẪữỒòl%ĂỆĂọửÃỈỒỵẨọẢĂờọửÃẪọÍtẨẢọ*ẪẨẢọ(ẪẨẢọữỈỒọỊÍẰọÌẸọửờọẬsửọẤÃợọỊÃủHọẨÃỂọẤÃứỈọỊÍờẨẢọvNỄửọÌỌọữKẨẢọÍẼẨẢọÍqĂọửJẨẢọÕỆĂọÃẪỡỊọvẼẨẢọỐxỊọẨẢÃĂAẬìọỊÃwẪọữEĂọÕởọvĂỹỈọỊÍẶọÃĂAỈọIỈpọửÃẪọựAẨÃọẨÃụẨị/ịk/HlkHọửẦờÌÌệòHỜỈỊÃẪÍòlĩăăđc>/cĂwỊẨờẬ+jk/Hl
(TTXVN/Vietnam+)