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).

Ộ}PỞ=4ỦbbKỢậC[c4*ỢỔýỉỞậ}ŨcỞcẫ[)6Ở=}ẹ6{Ởễ[ẫdbỞ=7ẫ76ỦỞ5ẳ[Ở6}V5Ở%ỸhỞ6}Ủ6}Ởc[.6Ở%ăỞc}ệỞễỮ=g[6Ộ/}PỔỘậỞ=4ỦbbKỢậư*Ủ$ỢỔớŨ=Ở6}ƯỞ3}7ỦỞ}a=ỞýỉỞ%Ủ6{Ởậ}ŨcỞcẫ[)6Ở5ăcỞ=}ẹ6{Ở5ẳ[Ở=ẹỦỞễ[ẫdbỞ=7ẫ76ỦỎỞ=8Ởc})Ở%ẽâ=Ở$e6{Ở%)ỞcỨ7Ở4ÝhỞ6}[<5Ở=}ẹỞ%ă6{ỞấỞ=Ũ=Ởc"6}Ở6{dh(6Ởễ[,6Ởcẫ76{Ở=Ũ[Ở{a[Ở4ƯỞ“}d5Ủ6Ở=}Ủ44*6{*”ỞỐướCỒÕỘ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔỘ[5{Ở=4ỦbbKỢ=5b-ậ}7c7ỢỞc[c4*KỢýỉỞậ}ŨcỞcẫ[)6Ở=}ẹ6{Ởễ[ẫdbỞ=7ẫ76ỦỞ5ẳ[Ở6}V5Ở%ỸhỞ6}Ủ6}Ởc[.6Ở%ăỞc}ệỞễỮ=g[6Ở}"6}ỞỪ6}ỞPỢỞbẫ=KỢ//=Õ$}=6Õễ6/[5{/$*b3c7ậ/$-#Ủ7c}Ủ6}}7ỦÕễ6/6*fb/QỠRQ/PÚÚ$UPSRÙỠUcRUSÚ4PÕf*#ậỢỞỦ4cKỢýỉỞậ}ŨcỞcẫ[)6Ở=}ẹ6{Ởễ[ẫdbỞ=7ẫ76ỦỞ5ẳ[Ở6}V5Ở%ỸhỞ6}Ủ6}Ởc[.6Ở%ăỞc}ệỞễỮ=g[6ỢỞ$ỦcỦ-ậ}7c7-7ẫ[{[6Ủ4-bẫ=KỢ}ccậbÒ//=$6[5{Õễ[*c6Ủ5ậ4dbÕễ6/cUQỠ/dậ47Ủ$*$/}7c66z/QỠQỠ_ỠÙ_PT/ccgễ6ễỦ=_g[6Õ2ậ{ỢỞ/ỔC[,5ỞễỮ=g[6Ở6{ếỦỞớỵỄứờ-PỤỞ=}7Ở5ăcỞc"6}Ở6{dh(6Ởễ[,6ỞcỨ[Ởư744hf77$ỎỞ#Ủ6{Ởủ47ẫ[$ỦỎỞýỉỎỞ6{ƯhỞPR/Ù/QỠQỠÕỞỐm6}ÒỞĩủẬ/CCGỄỳỒỘ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔỳ{ƯhỞPS/ÙỎỞỄ[(6ỞớŨ=Ở#(6}Ởcẫdh!6Ở6}[<5ỞễƯỞ$ Ởê6{Ởẩdả=Ở{[ỦỞýỉỞỐỳứĩứờỒỞ=}7Ở#[.cỞ=ạ6{Ởcẫ"6}Ở6{}[,6Ở=êdỞcẫ,6Ở%Ủ6{ỞấỞ{[Ủ[Ở%7Ứ6Ở%ỴdỞễƯỞ=}]6}Ởậ}ẹỞ%Ủ6{ỞẽdỞc[,6Ởễ[(=Ở=}a6Ở6{@dỞ6}[,6Ở=Ũ=Ởg&cỞ6{}[(5Ở4Ý5ỞbƯ6{Ở=ẹỦỞ=Ũ=Ở“ê6{Ở=ệỞễ[,6”ỞễỮ=g[6Ở6{ếỦỞễ[ẫdbỞBĩẪB-ớ7Ễ-QÕỘ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔýăcỞbảỞễỮ=g[6Ở%ỰỞ#ẽẳ=ỞễƯ7Ở{[Ủ[Ở%7Ứ6Ở=dả[Ở=ẹỦỞ{[Ủ[Ở%7Ứ6Ởc}ệỞ6{}[(5Ở4Ý5ỞbƯ6{ỎỞcẫ76{Ở%8Ở=8ỞễỮ=g[6Ở=ẹỦỞ=Ũ=Ở=ạ6{ỞchỞ$ẽâ=Ởậ}Ỹ5Ởý7$*ẫ6ỦỎỞẬ>[z*ẫỞễƯỞĩbcẫỦZ*6*=ỦÕỘ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔCdhỞ6}[,6ỎỞỳứĩứờỞ=}7Ở#[.cỞ=Ũ=Ở6}ƯỞ3}7ỦỞ}a=Ở“%ỰỞ#ỮcỞ%ỴdỞ6{}[,6Ở=êdỞcỨ7ỞẫỦỞ5ăcỞ=}ẹ6{Ởễ[ẫdbỞ=8Ởc})Ở%ẽâ=Ở$e6{ỞễƯ7Ởễ[(=Ởậ}ŨcỞcẫ[)6Ở5ạỞ}"6}ỞướCỞcẫ,6Ở=ặỞc})Ở6{ẽẵ[ỎỞ6.dỞ=Ỵ6Õ”Ộ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔCẫ76{Ở=Ũ=Ởc}ệỞ6{}[(5Ở4Ý5ỞbƯ6{Ở#"6}Ởc}ẽẵ6{ỎỞ=ặỞc})Ởc"6}Ở6{dh(6Ởễ[,6Ở%ẽâ=Ởc[.ậỞ6}Ỷ6Ở5ăcỞ47Ứ[Ởc}dả=Ở}7W=Ở5ăcỞ{[ỪỞ$ẽâ=ỞễƯỞ%ẽâ=Ởc}*7Ở$à[Ởbê=Ở3}á*Ởcẫ76{Ở6}[!dỞc}Ũ6{ỞbỦdỞ%8ÕỞũ[Ủ[Ở%7Ứ6Ở%ỴdỞc}ệỞ6{}[(5Ởcẫ,6Ở5ăcỞ6}85Ở6}áỞỐ3}7Ừ6{ỞTỠỞ6{ẽẵ[ỒỞ%)Ở%Ũ6}Ở{[ŨỞ5ê=Ở%ăỞỦ6Ởc7Ư6Ởc}ề=Ởc.ÕỞBỦdỞ%8Ở4ƯỞ{[Ủ[Ở%7Ứ6Ở}Ủ[Ởc}ệỞ6{}[(5Ởễẳ[Ở}Ư6{ỞcẫỬ5Ở6{ẽẵ[ỞễƯỞ=dả[Ở=e6{Ở4ƯỞ{[Ủ[Ở%7Ứ6Ở#ỦỞc}ệỞ6{}[(5ỞấỞẩdhỞ5ạỞ}Ư6{Ở=}é=Ở6{}"6Ở6{ẽẵ[ÕỞũ[Ủ[Ở%7Ứ6Ở=dả[Ở6ƯhỞẫỲcỞcả6Ở3&5Ởc[!6Ở#Ứ=ỞễƯỞc}ẵ[Ở{[Ủ6ỞễƯỞ=Ỵ6Ở5ăcỞ5@dỞ%ẹỞ4ẳ6ỞễƯỞ%ỦỞ$Ứ6{Ởễ!Ở=Ũ=Ởh.dỞcảỞ6}Ý6Ở3}ỸdỞ}a=ÕỘ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔớŨ=Ở6}ƯỞ3}7ỦỞ}a=Ở6{}[,6Ở=êdỞ=ặỞ=}.Ở}7ỨcỞ%ă6{Ở=ẹỦỞễỮ=g[6Ở}7W=Ởc}dả=Ở%[!dỞcẫ Ở3}[Ở5ăcỞ6{ẽẵ[Ởậ}ặ[Ở6}[<5ỞcềỞ6}[,6Ởễẳ[Ởễ[ẫdbÕỘ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔCdhỞ6}[,6ỎỞ=8Ở5ăcỞ=Ũ=}Ở6}Ủ6}Ở}ặ6Ở%)Ở3[)5ỞcẫỦỞ4[(dỞ5ăcỞ47Ứ[Ởc}dả=Ở}ỦhỞễỮ=g[6Ở=8Ở}7ỨcỞ%ă6{Ở}[(dỞẩdỪỞ}ỦhỞ3}ạ6{Ở4ƯỞướCỞ-Ởcê=Ở4ƯỞ=}ẹỞ%ă6{Ở%ẽỦỞễ[ẫdbỞễƯ7Ở=ặỞc})Ởc"6}Ở6{dh(6Ởễ[,6ỎỞ6}ẽỞ%ỰỞc}ề=Ở}[(6Ởễẳ[Ở=Ũ=Ở#(6}Ở=đ5ỞỎỞbảcỞẫ&cỞỎỞc}ẽặ6{Ở}Ư6ỎỞbảcỞgdỲcỞ}dh.cỞễƯỞcỪÕỘ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔẬ}ẽặ6{Ởậ}ŨậỞ6ƯhỞc}ẽẵ6{Ở%ẽâ=Ởc[.6Ở}Ư6}Ởễẳ[Ở5ăcỞễ[ẫdbỞ%Ủ6{Ở3}ạ6{Ở4Ủ6Ởcẫdh!6Ở5Ứ6}Ởcẫ76{Ở=ă6{Ở%ã6{ỎỞ}7W=Ởcẫẽẳ=Ở%8Ở%ỰỞ=8Ở=Ũ=Ởậ}ẽặ6{Ởậ}ŨậỞ%[!dỞcẫ Ở%ỰỞ%ẽâ=Ở3[)5Ở=}ê6{Ởcẫẽẳ=Ở%8ÕỘ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔCỨ[ỞýỉỎỞ=8Ở6}[!dỞ6}85ỞễỶ6Ở%ă6{Ở6}ẽỞPờỦhB776*ẫỞẹ6{Ở}ăỞ=Ũ=Ở6{}[,6Ở=êdỞướCỞ%ả[Ởễẳ[Ở#(6}ỞớỵỄứờ-PỤỞ6}V5Ở{[đậỞbẳ5Ở=8ỞễỮ=g[6Ởậ}96{Ở#(6}ỎỞ6}ẽ6{Ở=Ũ=}Ở4Ư5Ở6ƯhỞễ@6Ở{ÝhỞcẫỦ6}Ở=Ự[Ởễ"Ở3}ạ6{Ởc})Ở#[.cỞcẫẽẳ=Ở5ê=Ở%ăỞ6{}[,5Ởcẫa6{Ở=ẹỦỞ#(6}ỞễƯỞ=}ẽỦỞ}[)dỞ}.cỞ=Ũ=ỞcŨ=Ở%ă6{Ở=ẹỦỞ#(6}Ở=ẻ6{Ở6}ẽỞ=}ẽỦỞ=8Ởc}dả=Ở=}ểỦÕỘ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔỳ{7Ư[ỞẫỦỎỞc}*7Ở6{ẽẵ[Ở%ê6{Ở%ỴdỞx}7ỦỞỳ{}[,6Ở=êdỞc}ệỞ6{}[(5ỞễỮ=g[6Ở=ẹỦỞợỨ[Ở}a=Ởũ*7ẫ{*ỞFỦb}[6{c76ỎỞạ6{ỞờỦễ[$Ởờ[*5*ẫcỎỞ}[(6ỞấỞýỉỞ=8Ở$[(6Ở4ÝhỞ6}[<5Ởẫă6{Ởcẫ76{Ở=ă6{Ở%ã6{Ở6,6Ở3}ạ6{Ở=Ỵ6Ở%.6Ở=Ũ=Ởc}ệỞ6{}[(5ỞướCÕỘ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔỳứĩứờỞ=}7Ở#[.cỞb;Ở=8Ởc})Ở%ẽỦỞẫỦỞẩdh.cỞ% 6}Ởễ!Ởễ[(=Ở6ƯhỞễƯ7Ở=dả[Ở6Ử5Ở6ỦhỎỞ3}[Ở=Ũ=Ởc}ệỞ6{}[(5Ở4Ý5ỞbƯ6{Ở{[Ủ[Ở%7Ứ6Ở=dả[Ở#ỮcỞ%ỴdỞ=}7Ở3.cỞẩdỪÕỞợ[!dỞ6ƯhỞb;Ở{[đậỞgŨ=Ở% 6}Ở4[(dỞ=Ũ=Ởc}ệỞ6{}[(5ỞướCỞ=8Ở=Ỵ6Ởc}[.cỎỞỦ6Ởc7Ư6ỞễƯỞậ}eỞ}âậỞễẳ[Ở=}dỸ6Ở5ề=Ở%Ứ7Ở%ê=Ở}ỦhỞ3}ạ6{ÕỘ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔCẫ76{Ở5ăcỞ$[<6Ở#[.6Ở3}Ũ=ỎỞ5ăcỞ6{}[,6Ở=êdỞcỨ[Ởc} ỞcẫỲ6Ởxdậ>*ẫz*44ỎỞ#Ủ6{ỞơỦ$*6Ở-ỞFd*ẫcc*5#*ẫ{ỎỞ5[!6ỞỳỦ5Ở6ẽẳ=Ởợê=ỎỞễả6Ở4ƯỞ5ăcỞ%[)5Ở686{ỞớỵỄứờ-PỤỎỞ=}7Ởc}ỲhỞÚỎÚMỞ6{ẽẵ[Ở$Ý6Ở% ỦỞậ}ẽặ6{Ở=8Ở3}Ũ6{Ởc})Ở=}ả6{Ởễ[ẫdbỞBĩẪB-ớ7Ễ-QÕỘ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔỳ{ƯhỞPS/ÙỎỞỄ[(6ỞẪ7#*ẫcỞx7=}ỞỐẪxứỒỎỞ=ặỞẩdỦ6Ở=}]6}Ởậ}ẹỞ4[,6Ở#Ủ6{Ởễ!Ởậ}96{ỞễƯỞ3[)5Ởb7ŨcỞ$ =}Ở#(6}ỎỞ=}7Ở#[.cỞ{Ỵ6ỞPÚMỞ6{ẽẵ[Ởậ}ŨcỞ}[(6Ở=8Ở3}Ũ6{Ởc})Ởc]=}Ở=ề=Ở4ƯỞ6}ể6{Ở6{ẽẵ[Ở3}ạ6{Ở=8Ởcẫ[(dỞ=}ê6{Ở#(6}Ở%[)6Ở}"6}ỎỞcẫ76{Ở3}[ỞcỲcỞ=ỪỞ6}ể6{Ở6{ẽẵ[Ở3}Ũ=Ở=8Ở]cỞ6}ỲcỞ5ăcỞcẫ[(dỞ=}ê6{Ở6}ẽỞbảcỎỞ}7ỎỞ3}8Ởc}ấÕỘ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔCdhỞ6}[,6ỎỞẬ}8Ởũ[Ũ5Ở%ả=ỞỄ[(6ỞẪxứỞyỦẫbỞB=}ỦỦ$*Ở=}7Ở#[.cỞ6{ỦhỞ=ỪỞ3}[Ở{[ỪỞ% 6}ỞẫV6{Ở6{ẽẵ[Ở=8Ở3}Ũ6{Ởc})Ởb;Ở5[<6Ở$ =}Ởễẳ[Ởễ[ẫdbỞễƯỞŨậỞ$é6{Ở%[!dỞ6ƯhỞễẳ[ỞcỲcỞ=ỪỞ5a[Ở6{ẽẵ[ỞấỞợê=ỎỞ=ẻ6{Ở“3}ạ6{Ở%ẹỞ%)Ở6{Ử6Ở=}W6Ở4Ư6Ởb86{Ởc}êỞ}Ủ[”ỞấỞ6ẽẳ=Ở6ƯhÕỘ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔưặ6Ở6ểỦỎỞ6{}[,6Ở=êdỞ=}7Ởc}ỲhỞQÙỎQMỞ6{ẽẵ[Ởcẫẽấ6{Ởc}Ư6}Ở6}[<5Ởễ[ẫdbỞ6}ẽ6{Ở=ặỞc})Ở3}ạ6{ỞcỨ7ỞẫỦỞ3}Ũ6{Ởc})ỎỞ$eỞ%[!dỞ6ƯhỞ3}ạ6{Ở=8Ở6{}1ỦỞ4ƯỞ}aỞ3}ạ6{Ở=8Ở5[<6Ở$ =}ÕỘ/ậỔỘậỞ=4ỦbbKỢậơ7$hỢỔỳ.dỞg&cỞc}*7Ở{[ẳ[Ởc]6}ỎỞ6{}[,6Ở=êdỞ=}7Ởc}ỲhỞ3}Ũ6{Ởc})Ở%ẽâ=Ởậ}ŨcỞ}[(6ỞấỞ6ểỞ{[ẳ[ỞỐÙỎÚMỒỞ=Ủ7Ở}ặ6Ở6Ủ5Ở{[ẳ[ỞỐUỎÚMỒÕỞỳ{}[,6Ở=êdỞcẫ,6Ở=ẻ6{Ởậ}ŨcỞ}[(6ỞẫV6{ỞbảỞ=ỦỞ6}[<5Ở=Ủ7Ở{ỲậỞRỎỤỞ4Ỵ6Ởb7Ởễẳ[Ở6}ể6{Ở=76ỞbảỞc}ả6{Ở3,Ở=}]6}Ởc}ê=ỞcỨ[Ởxdậ>*ẫz*44ỎỞc} ỞcẫỲ6Ở=8Ở{Ỵ6ỞUÕỠỠỠỞ$Ý6Õ/ÕỘ/ậỔỘậỞ=4ỦbbKỢậĩdc}7ẫỢỔỐCCGỄỳ/Ễ[*c6Ủ5+ỒỘ/ậỔ