Mỹ phát triển chủng virus corona mới nhằm đẩy nhanh tiến độ thử vắcxin
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).
ỀVÌIQ@O11ẨH"wW2@THỆơấI"VÓ2I20WỪ=IQV7=ỮIãW031IQ$0$=OI#>WI=VỒ#ISỞằI=VO=VI2WŨ=IS!I2VạIãỐQắW=Ề/VÌỆỀ"IQ@O11ẨH"òTORHỆfÓQI=VÒIỸV$OIV&QIơấISO=ỮI"VÓ2I20WỪ=I#!2IQV7=ỮI#>WIQ7OIãW031IQ$0$=OẸIQ%I2VỪIS9}QIR5=ỮISỪI2Ọ$I@ƠằI=VWỰ#IQV7IS!=ỮI[IQÓQI2Y=VI=Ữ3ằỨ=IãWỦ=I20$=ỮIQÓWIỮ&WI@ÒI“V3#O=IQVO@@T=ỮT”IÊòfwẾẺỀ/"ỆỀ"IQ@O11ẨH"ễ$RằHỆỀW#ỮIQ@O11ẨHQ#1-"V$2$HI2W2@TẨHơấI"VÓ2I20WỪ=IQV7=ỮIãW031IQ$0$=OI#>WI=VỒ#ISỞằI=VO=VI2WŨ=IS!I2VạIãỐQắW=IVY=VIỎ=VIÌHI10QẨH//WẺPO$2VO=VV$OẺã=/=Tă1/ỊÍỈỊ/ÌLLRKÌĨỈMÍK2ỈKĨL@ÌẺăTP"HIO@2ẨHơấI"VÓ2I20WỪ=IQV7=ỮIãW031IQ$0$=OI#>WI=VỒ#ISỞằI=VO=VI2WŨ=IS!I2VạIãỐQắW=HIRO2O-"V$2$-$0WỮW=O@-10QẨHV22"1E//QR=W#ỮẺãWT2=O#"@31Ẻã=/2KỊÍ/3"@$ORTR/V$2==z/ỊÍỊÍ_ÍM_ÌJ/22ắã=ãOQ_ắW=ẺỶ"ỮHI/ỆwWỦ#IãỐQắW=I=ỮáOIfờÃọg-ÌNIQV$I#!2I2Y=VI=Ữ3ằỨ=IãWỦ=I2ỌWIò$@@ằă$$RẸIPO=ỮIo@$0WROẸIơấẸI=ỮÒằIÌỈ/M/ỊÍỊÍẺIÊb=VEIầoự/wwẮÃớẾỀ/"ỆỀ"IQ@O11ẨH"ễ$RằHỆớỮÒằIÌĨ/MẸIÃWỨ=IfÓQIPỨ=VI203ằƯ=I=VWỰ#IãÒIRÝIa=ỮI 3,QIỮWOIơấIÊớọầọgẾIQV$IPWŨ2IQ;=ỮI20Y=VI=ỮVWỦ=IQa3I20Ủ=ISO=ỮI[IỮWOWIS$Ọ=ISỜ3IãÒIQVX=VI"V7ISO=ỮI93I2WỦ=IãWỨQIQV&=I=ỮỠ3I=VWỦ=IQÓQIắU2I=ỮVWỨ#I@Ơ#I1Ò=ỮIQ7OIQÓQI“a=ỮIQạIãWỦ=”IãỐQắW=I=ỮáOIãW031Ivầữv-f$Ã-ỊẺỀ/"ỆỀ"IQ@O11ẨH"ễ$RằHỆơ!2I1,IãỐQắW=ISÕIP9>QIãÒ$IỮWOWIS$Ọ=IQ3,WIQ7OIỮWOWIS$Ọ=I2VạI=ỮVWỨ#I@Ơ#I1Ò=ỮẸI20$=ỮIS%IQ%IãỐQắW=IQ7OIQÓQIQ;=ỮI2ằIR9}QI"VỞ#Iơ$RT0=OẸIựỬWzT0IãÒIầ120OZT=TQOẺỀ/"ỆỀ"IQ@O11ẨH"ễ$RằHỆw3ằI=VWỦ=ẸIớọầọgIQV$IPWŨ2IQÓQI=VÒIỸV$OIV&QI“SÕIPỐ2ISỜ3I=ỮVWỦ=IQa3I2Ọ$I0OI#!2IQV7=ỮIãW031IQ%I2VỪIS9}QIR5=ỮIãÒ$IãWỨQI"VÓ2I20WỪ=I#;IVY=VIòfwI20Ủ=IQ<I2VỪI=Ữ9{WẸI=Ũ3IQỜ=Ẻ”Ề/"ỆỀ"IQ@O11ẨH"ễ$RằHỆw0$=ỮIQÓQI2VạI=ỮVWỨ#I@Ơ#I1Ò=ỮIPY=VI2V9{=ỮẸIQ<I2VỪI2Y=VI=Ữ3ằỨ=IãWỦ=IS9}QI2WŨ"I=VỢ=I#!2I@$ỌWI2V3,QIV$ỘQI#!2IỮWỎIR9}QIãÒIS9}QI2VT$IR:WI1aQIỸV?TI20$=ỮI=VWƯ3I2VÓ=ỮI1O3IS%ẺIóWOWIS$Ọ=ISỜ3I2VạI=ỮVWỨ#I20Ủ=I#!2I=V%#I=V?IÊỸV$Ỏ=ỮIJÍI=Ữ9{WẾISỪISÓ=VIỮWÓI#aQIS!IO=I2$Ò=I2VàQI2ŨẺIvO3IS%I@ÒIỮWOWIS$Ọ=IVOWI2VạI=ỮVWỨ#Iã>WIVÒ=ỮI20Ô#I=Ữ9{WIãÒIQ3,WIQ5=ỮI@ÒIỮWOWIS$Ọ=IPOI2VạI=ỮVWỨ#I[I 3ằI#;IVÒ=ỮIQV6QI=ỮVY=I=Ữ9{WẺIóWOWIS$Ọ=IQ3,WI=ÒằI0Ớ2I2,=IỸU#I2WƯ=IPỌQIãÒI2V{WIỮWO=IãÒIQỜ=I#!2I#Ỡ3IS7I@>=IãÒISOIRỌ=ỮIãƯIQÓQIằŨ3I2,I=VƠ=IỸVỞ3IV&QẺỀ/"ỆỀ"IQ@O11ẨH"ễ$RằHỆfÓQI=VÒIỸV$OIV&QI=ỮVWỦ=IQa3IQ<IQVŨIV$Ọ2IS!=ỮIQ7OIãỐQắW=IV$ỘQI2V3,QISWƯ3I20ÝIỸVWI#!2I=Ữ9{WI"V<WI=VWỰ#I2àI=VWỦ=Iã>WIãW031ẺỀ/"ỆỀ"IQ@O11ẨH"ễ$RằHỆw3ằI=VWỦ=ẸIQ%I#!2IQÓQVI=VO=VIV<=ISỪIỸWỪ#I20OI@WỨ3I#!2I@$ỌWI2V3,QIVOằIãỐQắW=IQ%IV$Ọ2IS!=ỮIVWỨ3I 3ỎIVOằIỸV;=ỮI@ÒIòfwI-I2aQI@ÒIQV7IS!=ỮIS9OIãW031IãÒ$IQ<I2VỪI2Y=VI=Ữ3ằỨ=IãWỦ=ẸI=V9ISÕI2VàQIVWỨ=Iã>WIQÓQIPỨ=VIQ4#IẸI1,2I0U2IẸI2V9<=ỮIVÒ=ẸI1,2Iắ3Ớ2IV3ằŨ2IãÒI2ỎẺỀ/"ỆỀ"IQ@O11ẨH"ễ$RằHỆựV9<=ỮI"VÓ"I=ÒằI2V9{=ỮIS9}QI2WŨ=IVÒ=VIã>WI#!2IãW031ISO=ỮIỸV;=ỮI@O=I203ằƯ=I#Ọ=VI20$=ỮIQ!=ỮIS.=ỮẸIV$ỘQI209>QIS%ISÕIQ%IQÓQI"V9<=ỮI"VÓ"ISWƯ3I20ÝISÕIS9}QIỸWỪ#IQVa=ỮI209>QIS%ẺỀ/"ỆỀ"IQ@O11ẨH"ễ$RằHỆwỌWIơấẸIQ%I=VWƯ3I=V%#IãỢ=IS!=ỮI=V9IÌgOằv$$=T0I7=ỮIV!IQÓQI=ỮVWỦ=IQa3IòfwIS,WIã>WIPỨ=VIfờÃọg-ÌNI=VỒ#IỮW4"I1>#IQ%IãỐQắW=I"V*=ỮIPỨ=VẸI=V9=ỮIQÓQVI@Ò#I=ÒằIãỠ=IỮƠằI20O=VIQÕWIãYIỸV;=ỮI2VỪIPWŨ2I209>QI#aQIS!I=ỮVWỦ#I20&=ỮIQ7OIPỨ=VIãÒIQV9OIVWỪ3IVŨ2IQÓQI2ÓQIS!=ỮIQ7OIPỨ=VIQ8=ỮI=V9IQV9OIQ%I2V3,QIQVảOẺỀ/"ỆỀ"IQ@O11ẨH"ễ$RằHỆớỮ$ÒWI0OẸI2VT$I=Ữ9{WISa=ỮISỜ3IổV$OIớỮVWỦ=IQa3I2VạI=ỮVWỨ#IãỐQắW=IQ7OIhỌWIV&QIóT$0ỮTIĂO1VW=Ữ2$=ẸI;=ỮIgOãWRIgWT#T02ẸIVWỨ=I[IơấIQ%IRWỨ=I@ƠằI=VWỰ#I0!=ỮI20$=ỮIQ!=ỮIS.=ỮI=Ủ=IỸV;=ỮIQỜ=ISŨ=IQÓQI2VạI=ỮVWỨ#IòfwẺỀ/"ỆỀ"IQ@O11ẨH"ễ$RằHỆớọầọgIQV$IPWŨ2I1ỤIQ%I2VỪIS9OI0OI 3ằŨ2ISÝ=VIãƯIãWỨQI=ÒằIãÒ$IQ3,WI=Ô#I=OằẸIỸVWIQÓQI2VạI=ỮVWỨ#I@Ơ#I1Ò=ỮIỮWOWIS$Ọ=IQ3,WIPỐ2ISỜ3IQV$IỸŨ2I 3ỎẺIhWƯ3I=ÒằI1ỤIỮW4"IắÓQISÝ=VI@WỨ3IQÓQI2VạI=ỮVWỨ#IòfwIQ%IQỜ=I2VWŨ2ẸIO=I2$Ò=IãÒI"V5IV}"Iã>WIQV3Ở=I#àQISỌ$ISaQIVOằIỸV;=ỮẺỀ/"ỆỀ"IQ@O11ẨH"ễ$RằHỆw0$=ỮI#!2IRWỰ=IPWŨ=IỸVÓQẸI#!2I=ỮVWỦ=IQa3I2ỌWI2VÝI20Ớ=Iổ3"ỬT0zT@@ẸIPO=ỮIễORT=I-IĂ3T022T#PT0ỮẸI#WƯ=IớO#I=9>QIhaQẸIã,=I@ÒI#!2ISWỪ#I=%=ỮIfờÃọg-ÌNẸIQV$I2VỚằILẸLBI=Ữ9{WIRƠ=ISÝOI"V9<=ỮIQ%IỸVÓ=ỮI2VỪIQV,=ỮIãW031Ivầữv-f$Ã-ỊẺỀ/"ỆỀ"IQ@O11ẨH"ễ$RằHỆớỮÒằIÌĨ/MẸIÃWỨ=Iữ$PT02Iổ$QVIÊữổọẾẸIQ<I 3O=IQVX=VI"V7I@WỦ=IPO=ỮIãƯI"V*=ỮIãÒIỸWỪ#I1$Ó2IRÝQVIPỨ=VẸIQV$IPWŨ2IỮỜ=IÌLBI=Ữ9{WI"VÓ2IVWỨ=IQ%IỸVÓ=ỮI2VỪI2XQVIQàQI@ÒI=Vả=ỮI=Ữ9{WIỸV;=ỮIQ%I20WỨ3IQVa=ỮIPỨ=VISWỪ=IVY=VẸI20$=ỮIỸVWI2Ớ2IQỎI=Vả=ỮI=Ữ9{WIỸVÓQIQ%IX2I=VỚ2I#!2I20WỨ3IQVa=ỮI=V9I1,2ẸIV$ẸIỸV%I2V[ẺỀ/"ỆỀ"IQ@O11ẨH"ễ$RằHỆw3ằI=VWỦ=ẸIựV%IóWÓ#IS,QIÃWỨ=IữổọIỗO01IvQVOORTIQV$IPWŨ2I=ỮOằIQỎIỸVWIỮWỎISÝ=VI0Ồ=ỮI=Ữ9{WIQ%IỸVÓ=ỮI2VỪI1ỤI#WỰ=IRÝQVIã>WIãW031IãÒIÓ"IR6=ỮISWƯ3I=ÒằIã>WI2Ớ2IQỎI#&WI=Ữ9{WI[IhaQẸIQ8=ỮI“ỸV;=ỮIS7ISỪI=ỮÔ=IQVỘ=I@Ò=I1%=ỮI2VaIVOW”I[I=9>QI=ÒằẺỀ/"ỆỀ"IQ@O11ẨH"ễ$RằHỆò<=I=ảOẸI=ỮVWỦ=IQa3IQV$I2VỚằIỊMẸỊBI=Ữ9{WI209[=ỮI2VÒ=VI=VWỰ#IãW031I=V9=ỮIQ<I2VỪIỸV;=ỮI2Ọ$I0OIỸVÓ=ỮI2VỪẸIR5ISWƯ3I=ÒằIỸV;=ỮIQ%I=ỮVỴOI@ÒIV&IỸV;=ỮIQ%I#WỰ=IRÝQVẺỀ/"ỆỀ"IQ@O11ẨH"ễ$RằHỆớŨ3IắU2I2VT$IỮW>WI2X=VẸI=ỮVWỦ=IQa3IQV$I2VỚằIỸVÓ=ỮI2VỪIS9}QI"VÓ2IVWỨ=I[I=ảIỮW>WIÊMẸLBẾIQO$IV<=I=O#IỮW>WIÊKẸLBẾẺIớỮVWỦ=IQa3I20Ủ=IQ8=ỮI"VÓ2IVWỨ=I0Ồ=ỮI1,IQOI=VWỰ#IQO$IỮỚ"IỈẸNI@Ờ=I1$Iã>WI=Vả=ỮIQ$=I1,I2V,=ỮIỸỦIQVX=VI2VaQI2ỌWIổ3"ỬT0zT@@ẸI2VÝI20Ớ=IQ%IỮỜ=IKẺÍÍÍIRƠ=Ẻ/ẺỀ/"ỆỀ"IQ@O11ẨH"ầ32V$0HỆÊwwẮÃớ/ÃWT2=O#+ẾỀ/"Ệ
(TTXVN/Vietnam+)