Mỹ phát triển chủng virus corona mới nhằm đẩy nhanh tiến độ thử vắcxin

(TTXVN/Vietnam+) 14:38 15/08/2020

Các nhà khoa học Mỹ đang phát triển một chủng mới của virus corona, có thể được dùng để tạo lây nhiễm chủ động ở các tình nguyện viên trong cái gọi là "human challenge" (HCT).

Ì@OMŨ;ỘaaẺL7Á#á;ỪLỊseM7@ỔáMá9#Ỳ.MŨ@ă.ỸMầ#9àaMŨ!9!.ỘM,2#M.@Ỡ,MỨÙẫM.@Ộ.@Má#X.MỨ"Má@âMầỞŨẩ#.Ì/@OỊÌ7MŨ;ỘaaẺL7ỗỪỘƯLỊjỔŨM.@ỖM:@!ỘM@<ŨMseMỨỘ.ỸM7@ỔáMá9#Ỳ.M,"áMŨ@ă.ỸM,2#MŨăỘMầ#9àaMŨ!9!.ỘFMŨ(Má@ỲMỨằ4ŨMƯả.ỸMỨỲMáƠ!M;SẫM.@#Ỵ,MŨ@ăMỨ".ỸM5MŨỔŨMá$.@M.ỸàẫÝ.Mầ#W.Má9!.ỸMŨỔ#MỸ<#M;ỖM“@à,Ộ.MŨ@Ộ;;Ừ.ỸỪ”MIỗjÁÍGÌ/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊÌ#,ỸMŨ;ỘaaẺLŨ,a-7@!á!LMá#á;ỪẺLseM7@ỔáMá9#Ỳ.MŨ@ă.ỸMầ#9àaMŨ!9!.ỘM,2#M.@Ỡ,MỨÙẫM.@Ộ.@Má#X.MỨ"Má@âMầỞŨẩ#.M@$.@MỚ.@MOLMa9ŨẺL//ŨGỦỘ!á@Ộ.@@!ỘGầ./#,Ỹ/ƯỪa:á!7/.Ừậa/ÓNÒÓ/OÔÔƯÕOỌÒỐNÕáÒÕỌÔ;OGậỪỦ7LMỘ;áẺLseM7@ỔáMá9#Ỳ.MŨ@ă.ỸMầ#9àaMŨ!9!.ỘM,2#M.@Ỡ,MỨÙẫM.@Ộ.@Má#X.MỨ"Má@âMầỞŨẩ#.LMƯỘáỘ-7@!á!-!9#Ỹ#.Ộ;-a9ŨẺL@áá7aỂ//ŨƯ.#,ỸGầ#Ừá.Ộ,7;àaGầ./áÕÓN/à7;!ỘƯỪƯ/@!á..z/ÓNÓN_NỐ_OỎ/ááẩầ.ầỘŨ_ẩ#.G?7ỸLM/ỊÁ#W,MầỞŨẩ#.M.ỸẳỘMjuẦơk-OỒMŨ@!M,"áMá$.@M.ỸàẫÝ.Mầ#W.MáƠ#Mỗ!;;ẫậ!!ƯFMỦỘ.ỸMộ;!9#ƯỘFMseFM.ỸỖẫMOÒ/Ố/ÓNÓNGMIê.@ỂMéộỵ/ÁÁẨẦtÍÌ/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊtỸỖẫMOỌ/ỐFMẦ#Ý.MjỔŨMỦÝ.@Má9àẫY.M.@#Ỵ,MầỖMƯ%Mặ.ỸM8à[ŨMỸ#ỘMseMItơéơkÍMŨ@!MỦ#XáMŨ}.ỸMá9$.@M.Ỹ@#W.MŨặàMá9W.MỨỘ.ỸM5MỸ#Ộ#MỨ!Ơ.MỨUàMầỖMŨ@=.@M7@ăMỨỘ.ỸMằàMá#W.Mầ#ÝŨMŨ@<.M.ỸỤàM.@#W.MŨỔŨMẩỰáM.Ỹ@#Ý,M;S,MaỖ.ỸMŨăỘMŨỔŨM“ặ.ỸMŨâMầ#W.”MầỞŨẩ#.M.ỸẳỘMầ#9àaMAéỹA-j!Ầ-ÓGÌ/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊs"áMa[MầỞŨẩ#.MỨỜMỦằ2ŨMầỖ!MỸ#Ộ#MỨ!Ơ.MŨà[#MŨăỘMỸ#Ộ#MỨ!Ơ.Má@âM.Ỹ@#Ý,M;S,MaỖ.ỸFMá9!.ỸMỨ(MŨ(MầỞŨẩ#.MŨăỘMŨỔŨMŨ}.ỸMáẫMƯằ4ŨM7@Ù,Ms!ƯỪ9.ỘFMỵỶ#zỪ9MầỖMéaá9ỘZỪ.ỪŨỘGÌ/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊÁàẫM.@#W.FMtơéơkMŨ@!MỦ#XáMŨỔŨM.@ỖM:@!ỘM@<ŨM“ỨỜMỦỞáMỨUàM.Ỹ@#W.MŨặàMáƠ!M9ỘM,"áMŨ@ă.ỸMầ#9àaMŨ(Má@ỲMỨằ4ŨMƯả.ỸMầỖ!Mầ#ÝŨM7@ỔáMá9#Ỳ.M,}M@$.@MỗjÁMá9W.MŨ1Má@ỲM.Ỹằ3#FM.XàMŨU.G”Ì/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊÁ9!.ỸMŨỔŨMá@âM.Ỹ@#Ý,M;S,MaỖ.ỸMỦ$.@Má@ằ3.ỸFMŨ1Má@ỲMá$.@M.ỸàẫÝ.Mầ#W.MỨằ4ŨMá#X7M.@Ú.M,"áM;!Ơ#Má@à[ŨM@!PŨM,"áMỸ#ỚMƯằ4ŨMầỖMỨằ4ŨMá@Ừ!MƯ{#MaặŨM:@>ỪMá9!.ỸM.@#YàMá@Ổ.ỸMaỘàMỨ(GMổ#Ộ#MỨ!Ơ.MỨUàMá@âM.Ỹ@#Ý,Má9W.M,"áM.@(,M.@>MI:@!Ớ.ỸMỎNM.Ỹằ3#ÍMỨỲMỨỔ.@MỸ#ỔM,ặŨMỨ"MỘ.Má!Ỗ.Má@ẵŨMáXGMAỘàMỨ(M;ỖMỸ#Ộ#MỨ!Ơ.M@Ộ#Má@âM.Ỹ@#Ý,Mầ2#M@Ỗ.ỸMá9Ợ,M.Ỹằ3#MầỖMŨà[#MŨả.ỸM;ỖMỸ#Ộ#MỨ!Ơ.MỦỘMá@âM.Ỹ@#Ý,M5M8àẫM,}M@Ỗ.ỸMŨ@ãŨM.Ỹ@$.M.Ỹằ3#GMổ#Ộ#MỨ!Ơ.MŨà[#M.ỖẫM9TáMá[.M:Ự,Má#Y.MỦƠŨMầỖMá@3#MỸ#Ộ.MầỖMŨU.M,"áM,ỤàMỨăM;2.MầỖMỨỘMƯƠ.ỸMầYMŨỔŨMẫXàMá[M.@S.M:@ÙàM@<ŨGÌ/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊjỔŨM.@ỖM:@!ỘM@<ŨM.Ỹ@#W.MŨặàMŨ1MŨ@XM@!ƠáMỨ".ỸMŨăỘMầỞŨẩ#.M@!PŨMá@à[ŨMỨ#YàMá9%M:@#M,"áM.Ỹằ3#M7@1#M.@#Ỵ,MáẵM.@#W.Mầ2#Mầ#9àaGÌ/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊÁàẫM.@#W.FMŨ(M,"áMŨỔŨ@M.@Ộ.@M@1.MỨỲM:#Ỳ,Má9ỘM;#ÝàM,"áM;!Ơ#Má@à[ŨM@ỘẫMầỞŨẩ#.MŨ(M@!ƠáMỨ".ỸM@#ÝàM8àỚM@ỘẫM:@}.ỸM;ỖMỗjÁM-MáặŨM;ỖMŨ@ăMỨ".ỸMỨằỘMầ#9àaMầỖ!MŨ1Má@ỲMá$.@M.ỸàẫÝ.Mầ#W.FM.@ằMỨỜMá@ẵŨM@#Ý.Mầ2#MŨỔŨMỦÝ.@MŨạ,MFMa[áM9ỰáMFMá@ằ1.ỸM@Ỗ.FMa[áMẩàTáM@àẫXáMầỖMáỚGÌ/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊỵ@ằ1.ỸM7@Ổ7M.ỖẫMá@ằ3.ỸMỨằ4ŨMá#X.M@Ỗ.@Mầ2#M,"áMầ#9àaMỨỘ.ỸM:@}.ỸM;Ộ.Má9àẫY.M,Ơ.@Má9!.ỸMŨ".ỸMỨ].ỸFM@!PŨMá9ằ2ŨMỨ(MỨỜMŨ(MŨỔŨM7@ằ1.ỸM7@Ổ7MỨ#YàMá9%MỨỜMỨằ4ŨM:#Ỳ,MŨ@ặ.ỸMá9ằ2ŨMỨ(GÌ/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊÁƠ#MseFMŨ(M.@#YàM.@(,MầÚ.MỨ".ỸM.@ằMOkỘẫA!!.Ừ9Mă.ỸM@"MŨỔŨM.Ỹ@#W.MŨặàMỗjÁMỨ[#Mầ2#MỦÝ.@MjuẦơk-OỒM.@Ỡ,MỸ#ạ7Ma2,MŨ(MầỞŨẩ#.M7@).ỸMỦÝ.@FM.@ằ.ỸMŨỔŨ@M;Ỗ,M.ỖẫMầỤ.MỸSẫMá9Ộ.@MŨỜ#Mầ$M:@}.ỸMá@ỲMỦ#XáMá9ằ2ŨM,ặŨMỨ"M.Ỹ@#W,Má9<.ỸMŨăỘMỦÝ.@MầỖMŨ@ằỘM@#ỲàM@XáMŨỔŨMáỔŨMỨ".ỸMŨăỘMỦÝ.@MŨắ.ỸM.@ằMŨ@ằỘMŨ(Má@à[ŨMŨ@ấỘGÌ/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊtỸ!Ỗ#M9ỘFMá@Ừ!M.Ỹằ3#MỨặ.ỸMỨUàMq@!ỘMtỸ@#W.MŨặàMá@âM.Ỹ@#Ý,MầỞŨẩ#.MŨăỘMlƠ#M@<ŨMổỪ!9ỸỪMẬỘa@#.Ỹá!.FM}.ỸMkỘầ#ƯMk#Ừ,Ừ9áFM@#Ý.M5MseMŨ(MƯ#Ý.M;SẫM.@#Ỵ,M9".ỸMá9!.ỸMŨ".ỸMỨ].ỸM.W.M:@}.ỸMŨU.MỨX.MŨỔŨMá@âM.Ỹ@#Ý,MỗjÁGÌ/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊtơéơkMŨ@!MỦ#XáMaVMŨ(Má@ỲMỨằỘM9ỘM8àẫXáMỨ%.@MầYMầ#ÝŨM.ỖẫMầỖ!MŨà[#M.Ợ,M.ỘẫFM:@#MŨỔŨMá@âM.Ỹ@#Ý,M;S,MaỖ.ỸMỸ#Ộ#MỨ!Ơ.MŨà[#MỦỞáMỨUàMŨ@!M:XáM8àỚGMl#YàM.ỖẫMaVMỸ#ạ7MẩỔŨMỨ%.@M;#ÝàMŨỔŨMá@âM.Ỹ@#Ý,MỗjÁMŨ(MŨU.Má@#XáFMỘ.Má!Ỗ.MầỖM7@ảM@47Mầ2#MŨ@àÙ.M,ẵŨMỨƠ!MỨặŨM@ỘẫM:@}.ỸGÌ/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊÁ9!.ỸM,"áMƯ#Ỵ.MỦ#X.M:@ỔŨFM,"áM.Ỹ@#W.MŨặàMáƠ#Má@%Má9T.Mqà7ỶỪ9zỪ;;FMỦỘ.ỸMĩỘƯỪ.M-MẬàỪ9ááỪ,ỦỪ9ỸFM,#Y.MtỘ,M.ằ2ŨMlặŨFMầ[.M;ỖM,"áMỨ#Ỳ,M.(.ỸMjuẦơk-OỒFMŨ@!Má@TẫMÔFÔÊM.Ỹằ3#MƯS.MỨ%ỘM7@ằ1.ỸMŨ(M:@Ổ.ỸMá@ỲMŨ@[.ỸMầ#9àaMAéỹA-j!Ầ-ÓGÌ/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊtỸỖẫMOỌ/ỐFMẦ#Ý.Mỹ!ỦỪ9áMq!Ũ@MIỹqơÍFMŨ1M8àỘ.MŨ@=.@M7@ăM;#W.MỦỘ.ỸMầYM7@).ỸMầỖM:#Ỳ,Ma!ỔáMƯ%Ũ@MỦÝ.@FMŨ@!MỦ#XáMỸU.MOÔÊM.Ỹằ3#M7@ỔáM@#Ý.MŨ(M:@Ổ.ỸMá@ỲMá=Ũ@MŨẵŨM;ỖM.@ấ.ỸM.Ỹằ3#M:@}.ỸMŨ(Má9#ÝàMŨ@ặ.ỸMỦÝ.@MỨ#Ỳ.M@$.@FMá9!.ỸM:@#MáTáMŨỚM.@ấ.ỸM.Ỹằ3#M:@ỔŨMŨ(M=áM.@TáM,"áMá9#ÝàMŨ@ặ.ỸM.@ằMa[áFM@!FM:@(Má@5GÌ/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊÁàẫM.@#W.FMỵ@(Mổ#Ổ,MỨ[ŨMẦ#Ý.MỹqơMrỘ9aMAŨ@ỘỘƯỪMŨ@!MỦ#XáM.ỸỘẫMŨỚM:@#MỸ#ỚMỨ%.@M9Ỡ.ỸM.Ỹằ3#MŨ(M:@Ổ.ỸMá@ỲMaVM,#Ỵ.MƯ%Ũ@Mầ2#Mầ#9àaMầỖMỔ7MƯã.ỸMỨ#YàM.ỖẫMầ2#MáTáMŨỚM,<#M.Ỹằ3#M5MlặŨFMŨắ.ỸM“:@}.ỸMỨăMỨỲM.ỸỢ.MŨ@P.M;Ỗ.Ma(.ỸMá@ặM@Ộ#”M5M.ằ2ŨM.ỖẫGÌ/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊỗ1.M.ấỘFM.Ỹ@#W.MŨặàMŨ@!Má@TẫMÓỐFÓÊM.Ỹằ3#Má9ằ5.ỸMá@Ỗ.@M.@#Ỵ,Mầ#9àaM.@ằ.ỸMŨ1Má@ỲM:@}.ỸMáƠ!M9ỘM:@Ổ.ỸMá@ỲFMƯảMỨ#YàM.ỖẫM:@}.ỸMŨ(M.Ỹ@&ỘM;ỖM@<M:@}.ỸMŨ(M,#Ỵ.MƯ%Ũ@GÌ/7ỊÌ7MŨ;ỘaaẺL7ĩ!ƯẫLỊtXàMẩỰáMá@Ừ!MỸ#2#Má=.@FM.Ỹ@#W.MŨặàMŨ@!Má@TẫM:@Ổ.ỸMá@ỲMỨằ4ŨM7@ỔáM@#Ý.M5M.ấMỸ#2#MIỐFÔÊÍMŨỘ!M@1.M.Ộ,MỸ#2#MIÕFÔÊÍGMtỸ@#W.MŨặàMá9W.MŨắ.ỸM7@ỔáM@#Ý.M9Ỡ.ỸMa[MŨỘM.@#Ỵ,MŨỘ!MỸT7MÒFỒM;U.Ma!Mầ2#M.@ấ.ỸMŨ!.Ma[Má@[.ỸM:WMŨ@=.@Má@ặŨMáƠ#Mqà7ỶỪ9zỪ;;FMá@%Má9T.MŨ(MỸU.MÕGNNNMƯS.G/GÌ/7ỊÌ7MŨ;ỘaaẺL7éàá@!9LỊIÁÁẨẦt/Ầ#Ừá.Ộ,+ÍÌ/7Ị