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).

ẾỮÍHPỸN00ẬG]vV1ỸSGỀỗâH]ỮO1H1 VỨ#HPỮ6#ỬHảV 20HP= =#NH@<VH#ỮỐ@HRỢắH#ỮN#ỮH1VỦ#HR.H1ỮàHảÔPăV#Ế/ỮÍỀẾ]HPỸN00ẬG]óSNQGỀễOPH#ỮÓHỶỮ=NHỮ*PHỗâHRN#ỬH]ỮO1H1 VỨ#H@.1HPỮ6#ỬH@<VHP6NHảV 20HP= =#NÉHP$H1ỮỨHR8{PHQ4#ỬHRỨH1Ò=HỸỖắH#ỮVỪ@HPỮ6HR.#ỬH}HPOPH1X#ỮH#Ử2ắƯ#HảVỤ#H1 =#ỬHPOVHỬ*VHỸÓH“Ữ2@N#HPỮNỸỸS#ỬS”HẼóễvÊẸẾ/]ỀẾ]HPỸN00ẬG]ể=QắGỀẾV@ỬHPỸN00ẬGP@0-]Ữ=1=GH1V1ỸSẬGỗâH]ỮO1H1 VỨ#HPỮ6#ỬHảV 20HP= =#NH@<VH#ỮỐ@HRỢắH#ỮN#ỮH1VỦ#HR.H1ỮàHảÔPăV#HỮX#ỮHỌ#ỮHÍGH0 PẬG//PẸỠN=1ỮN#ỮỮ=NẸả#/V@Ử/QS0Ỷ1=]/#Sã0/ÌIỊÌ/ÍKKQJÍỈỊLIJ1ỊJỈKỸÍẸãSỠ]GHNỸ1ẬGỗâH]ỮO1H1 VỨ#HPỮ6#ỬHảV 20HP= =#NH@<VH#ỮỐ@HRỢắH#ỮN#ỮH1VỦ#HR.H1ỮàHảÔPăV#GHQN1N-]Ữ=1=-= VỬV#NỸ-0 PẬGỮ11]0Đ//PQ#V@ỬẸảVS1#N@]Ỹ20Ẹả#/1JÌI/2]Ỹ=NQSQ/Ữ=1##z/ÌIÌI_IL_ÍĨ/11ăả#ảNP_ăV#ẸỴ]ỬGH/ỀvVỤ@HảÔPăV#H#ỬaNHễớẢòf-ÍMHPỮ=H@.1H1X#ỮH#Ử2ắƯ#HảVỤ#H1ÒVHó=ỸỸắã==QÉHỠN#ỬHnỸ= VQNÉHỗâÉH#ỬÓắHÍỊ/L/ÌIÌIẸHẼẫ#ỮĐHấnừ/vvĂẢơÊẾ/]ỀẾ]HPỸN00ẬG]ể=QắGỀơỬÓắHÍỈ/LÉHẢVƯ#HễOPHỠƯ#ỮH1 2ắŨ#H#ỮVỪ@HảÓHQYH9#ỬH"2;PHỬVNHỗâHẼơòấòfÊHPỮ=HỠVỦ1HP:#ỬH1 X#ỮH#ỬỮVỤ#HP92H1 Ụ#HRN#ỬH}HỬVNVHR=Ò#HRỚ2HảÓHPỮW#ỮH]Ữ6HRN#ỬH82H1VỤ#HảVƯPHPỮ*#H#ỬỞ2H#ỮVỤ#HPOPHăT1H#ỬỮVƯ@HỸỖ@H0Ó#ỬHP6NHPOPH“9#ỬHPàHảVỤ#”HảÔPăV#H#ỬaNHảV 20Hữấửữ-ễ=Ả-ÌẸẾ/]ỀẾ]HPỸN00ẬG]ể=QắGỀỗ.1H0;HảÔPăV#HRỎHỠ8<PHảÓ=HỬVNVHR=Ò#HP2;VHP6NHỬVNVHR=Ò#H1ỮàH#ỬỮVƯ@HỸỖ@H0Ó#ỬÉH1 =#ỬHR$HP$HảÔPăV#HP6NHPOPHP:#ỬH1ắHQ8{PH]ỮỢ@Hỗ=QS #NÉHừỰVzS HảÓHấ01 NZS#SPNẸẾ/]ỀẾ]HPỸN00ẬG]ể=QắGỀv2ắH#ỮVỤ#ÉHơòấòfHPỮ=HỠVỦ1HPOPH#ỮÓHỶỮ=NHỮ*PH“RỎHỠÔ1HRỚ2H#ỬỮVỤ#HP92H1Ò=H NH@.1HPỮ6#ỬHảV 20HP$H1ỮỨHR8{PHQ4#ỬHảÓ=HảVƯPH]ỮO1H1 VỨ#H@:HỮX#ỮHóễvH1 Ụ#HP)H1ỮỨH#Ử8>VÉH#Ủ2HPỚ#Ẹ”Ế/]ỀẾ]HPỸN00ẬG]ể=QắGỀv =#ỬHPOPH1ỮàH#ỬỮVƯ@HỸỖ@H0Ó#ỬHỠX#ỮH1Ữ8>#ỬÉHP)H1ỮỨH1X#ỮH#Ử2ắƯ#HảVỤ#HR8{PH1VỦ]H#ỮỜ#H@.1HỸ=ÒVH1Ữ2;PHỮ=ỒPH@.1HỬVỌHQ8{PHảÓHR8{PH1ỮS=HQ?VH09PHỶỮ&SH1 =#ỬH#ỮVŨ2H1ỮO#ỬH0N2HR$ẸHoVNVHR=Ò#HRỚ2H1ỮàH#ỬỮVƯ@H1 Ụ#H@.1H#Ữ$@H#Ữ&HẼỶỮ=Ọ#ỬHĨIH#Ử8>VÊHRỨHRO#ỮHỬVOH@9PHR.HN#H1=Ó#H1ỮáPH1ỦẸHữN2HR$HỸÓHỬVNVHR=Ò#HỮNVH1ỮàH#ỬỮVƯ@Hả<VHỮÓ#ỬH1 Õ@H#Ử8>VHảÓHP2;VHP4#ỬHỸÓHỬVNVHR=Ò#HỠNH1ỮàH#ỬỮVƯ@H}H"2ắH@:HỮÓ#ỬHPỮ5PH#ỬỮX#H#Ử8>VẸHoVNVHR=Ò#HP2;VH#ÓắH Ơ1H1;#HỶT@H1VŨ#HỠÒPHảÓH1Ữ>VHỬVN#HảÓHPỚ#H@.1H@Ở2HR6HỸ<#HảÓHRNHQÒ#ỬHảŨHPOPHắỦ2H1;H#ỮỖ#HỶỮỢ2HỮ*PẸẾ/]ỀẾ]HPỸN00ẬG]ể=QắGỀễOPH#ỮÓHỶỮ=NHỮ*PH#ỬỮVỤ#HP92HP)HPỮỦHỮ=Ò1HR.#ỬHP6NHảÔPăV#HỮ=ỒPH1Ữ2;PHRVŨ2H1 YHỶỮVH@.1H#Ử8>VH]Ữ)VH#ỮVỪ@H1áH#ỮVỤ#Hả<VHảV 20ẸẾ/]ỀẾ]HPỸN00ẬG]ể=QắGỀv2ắH#ỮVỤ#ÉHP$H@.1HPOPỮH#ỮN#ỮHỮ)#HRỨHỶVỨ@H1 NHỸVƯ2H@.1HỸ=ÒVH1Ữ2;PHỮNắHảÔPăV#HP$HỮ=Ò1HR.#ỬHỮVƯ2H"2ỌHỮNắHỶỮ:#ỬHỸÓHóễvH-H19PHỸÓHPỮ6HR.#ỬHR8NHảV 20HảÓ=HP)H1ỮỨH1X#ỮH#Ử2ắƯ#HảVỤ#ÉH#Ữ8HRỎH1ỮáPHỮVƯ#Hả<VHPOPHỠƯ#ỮHP3@HÉH0;1H T1HÉH1Ữ8)#ỬHỮÓ#ÉH0;1Hă2Ơ1HỮ2ắỦ1HảÓH1ỌẸẾ/]ỀẾ]HPỸN00ẬG]ể=QắGỀừỮ8)#ỬH]ỮO]H#ÓắH1Ữ8>#ỬHR8{PH1VỦ#HỮÓ#ỮHả<VH@.1HảV 20HRN#ỬHỶỮ:#ỬHỸN#H1 2ắŨ#H@Ò#ỮH1 =#ỬHP.#ỬHR,#ỬÉHỮ=ỒPH1 8<PHR$HRỎHP$HPOPH]Ữ8)#ỬH]ỮO]HRVŨ2H1 YHRỎHR8{PHỶVỨ@HPỮ9#ỬH1 8<PHR$ẸẾ/]ỀẾ]HPỸN00ẬG]ể=QắGỀvÒVHỗâÉHP$H#ỮVŨ2H#Ữ$@HảỜ#HR.#ỬH#Ữ8HÍfNắữ==#S H6#ỬHỮ.HPOPH#ỬỮVỤ#HP92HóễvHR;VHả<VHỠƯ#ỮHễớẢòf-ÍMH#ỮỐ@HỬV3]H0<@HP$HảÔPăV#H]Ữ%#ỬHỠƯ#ỮÉH#Ữ8#ỬHPOPỮHỸÓ@H#ÓắHảỞ#HỬỖắH1 N#ỮHPỎVHảXHỶỮ:#ỬH1ỮỨHỠVỦ1H1 8<PH@9PHR.H#ỬỮVỤ@H1 *#ỬHP6NHỠƯ#ỮHảÓHPỮ8NHỮVỨ2HỮỦ1HPOPH1OPHR.#ỬHP6NHỠƯ#ỮHP7#ỬH#Ữ8HPỮ8NHP$H1Ữ2;PHPỮạNẸẾ/]ỀẾ]HPỸN00ẬG]ể=QắGỀơỬ=ÓVH NÉH1ỮS=H#Ử8>VHR9#ỬHRỚ2HộỮ=NHơỬỮVỤ#HP92H1ỮàH#ỬỮVƯ@HảÔPăV#HP6NHgÒVHỮ*PHoS= ỬSHÃN0ỮV#Ử1=#ÉH:#ỬHfNảVQHfVS@S 1ÉHỮVƯ#H}HỗâHP$HQVƯ#HỸỖắH#ỮVỪ@H .#ỬH1 =#ỬHP.#ỬHR,#ỬH#Ụ#HỶỮ:#ỬHPỚ#HRỦ#HPOPH1ỮàH#ỬỮVƯ@HóễvẸẾ/]ỀẾ]HPỸN00ẬG]ể=QắGỀơòấòfHPỮ=HỠVỦ1H0ÙHP$H1ỮỨHR8NH NH"2ắỦ1HRY#ỮHảŨHảVƯPH#ÓắHảÓ=HP2;VH#Õ@H#NắÉHỶỮVHPOPH1ỮàH#ỬỮVƯ@HỸỖ@H0Ó#ỬHỬVNVHR=Ò#HP2;VHỠÔ1HRỚ2HPỮ=HỶỦ1H"2ỌẸHgVŨ2H#ÓắH0ÙHỬV3]HăOPHRY#ỮHỸVƯ2HPOPH1ỮàH#ỬỮVƯ@HóễvHP$HPỚ#H1ỮVỦ1ÉHN#H1=Ó#HảÓH]Ữ4HỮ{]Hả<VHPỮ2Ợ#H@áPHRÒ=HR9PHỮNắHỶỮ:#ỬẸẾ/]ỀẾ]HPỸN00ẬG]ể=QắGỀv =#ỬH@.1HQVỪ#HỠVỦ#HỶỮOPÉH@.1H#ỬỮVỤ#HP92H1ÒVH1ỮYH1 Ơ#Hộ2]ỰS zSỸỸÉHỠN#ỬHểNQS#H-HÃ2S 11S@ỠS ỬÉH@VŨ#HơN@H#8<PHg9PÉHả;#HỸÓH@.1HRVỨ@H#$#ỬHễớẢòf-ÍMÉHPỮ=H1ỮƠắHKÉKẪH#Ử8>VHQỖ#HRYNH]Ữ8)#ỬHP$HỶỮO#ỬH1ỮỨHPỮ;#ỬHảV 20Hữấửữ-ễ=Ả-ÌẸẾ/]ỀẾ]HPỸN00ẬG]ể=QắGỀơỬÓắHÍỈ/LÉHẢVƯ#Hử=ỠS 1Hộ=PỮHẼửộòÊÉHP)H"2N#HPỮW#ỮH]Ữ6HỸVỤ#HỠN#ỬHảŨH]Ữ%#ỬHảÓHỶVỨ@H0=O1HQYPỮHỠƯ#ỮÉHPỮ=HỠVỦ1HỬỚ#HÍKẪH#Ử8>VH]ỮO1HỮVƯ#HP$HỶỮO#ỬH1ỮỨH1WPỮHPáPHỸÓH#Ữạ#ỬH#Ử8>VHỶỮ:#ỬHP$H1 VƯ2HPỮ9#ỬHỠƯ#ỮHRVỨ#HỮX#ỮÉH1 =#ỬHỶỮVH1Ơ1HPỌH#Ữạ#ỬH#Ử8>VHỶỮOPHP$HW1H#ỮƠ1H@.1H1 VƯ2HPỮ9#ỬH#Ữ8H0;1ÉHỮ=ÉHỶỮ$H1Ữ}ẸẾ/]ỀẾ]HPỸN00ẬG]ể=QắGỀv2ắH#ỮVỤ#ÉHừỮ$HoVO@HR;PHẢVƯ#HửộòHổN 0HữPỮNNQSHPỮ=HỠVỦ1H#ỬNắHPỌHỶỮVHỬVỌHRY#ỮH Ố#ỬH#Ử8>VHP$HỶỮO#ỬH1ỮỨH0ÙH@VỪ#HQYPỮHả<VHảV 20HảÓHO]HQ5#ỬHRVŨ2H#ÓắHả<VH1Ơ1HPỌH@*VH#Ử8>VH}Hg9PÉHP7#ỬH“ỶỮ:#ỬHR6HRỨH#ỬÕ#HPỮỒ#HỸÓ#H0$#ỬH1Ữ9HỮNV”H}H#8<PH#ÓắẸẾ/]ỀẾ]HPỸN00ẬG]ể=QắGỀó)#H#ạNÉH#ỬỮVỤ#HP92HPỮ=H1ỮƠắHÌLÉÌẪH#Ử8>VH1 8}#ỬH1ỮÓ#ỮH#ỮVỪ@HảV 20H#Ữ8#ỬHP)H1ỮỨHỶỮ:#ỬH1Ò=H NHỶỮO#ỬH1ỮỨÉHQ4HRVŨ2H#ÓắHỶỮ:#ỬHP$H#ỬỮỲNHỸÓHỮ*HỶỮ:#ỬHP$H@VỪ#HQYPỮẸẾ/]ỀẾ]HPỸN00ẬG]ể=QắGỀơỦ2HăT1H1ỮS=HỬV<VH1W#ỮÉH#ỬỮVỤ#HP92HPỮ=H1ỮƠắHỶỮO#ỬH1ỮỨHR8{PH]ỮO1HỮVƯ#H}H#ạHỬV<VHẼLÉKẪÊHPN=HỮ)#H#N@HỬV<VHẼJÉKẪÊẸHơỬỮVỤ#HP92H1 Ụ#HP7#ỬH]ỮO1HỮVƯ#H Ố#ỬH0;HPNH#ỮVỪ@HPN=HỬƠ]HỊÉMHỸỚ#H0=Hả<VH#Ữạ#ỬHP=#H0;H1Ữ;#ỬHỶỤHPỮW#ỮH1Ữ9PH1ÒVHộ2]ỰS zSỸỸÉH1ỮYH1 Ơ#HP$HỬỚ#HJẸIIIHQỖ#Ẹ/ẸẾ/]ỀẾ]HPỸN00ẬG]ấ21Ữ= GỀẼvvĂẢơ/ẢVS1#N@+ÊẾ/]Ề