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).

Ổ[QỠ$5ŨccLỞẩD]d5&ỞỖỳĩỠẩ[ƯdỠdb]<7Ỡ$[ẻ7}Ỡf]bđcỠ$8b87ŨỠ6ẵ]Ỡ7[W6Ỡ*@iỠ7[Ũ7[Ỡd]!7Ỡ*ắỠd[ểỠfV$h]7Ổ/[QỖỔẩỠ$5ŨccLỞẩứ&Ũ%ỞỖờƯ$Ỡ7[ỨỠ4[8ŨỠ[á$ỠỳĩỠ*Ũ7}Ỡẩ[ƯdỠdb]<7Ỡ6ắdỠ$[ẻ7}Ỡ6ẵ]Ỡ$ẻŨỠf]bđcỠ$8b87ŨÕỠ$9Ỡd[<Ỡ*êấ$Ỡ%é7}Ỡ*<ỠdỪ8Ỡ5ỲiỠ7[]>6Ỡ$[ẻỠ*ắ7}ỠầỠ$Ư$Ỡd 7[Ỡ7}đi)7Ỡf].7Ỡdb87}Ỡ$Ư]Ỡ}á]Ỡ5ỨỠ“[đ6Ũ7Ỡ$[Ũ55&7}&”ỠỒứờDỘÔỔ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖỔ]6}Ỡ$5ŨccLỞ$6c-ẩ[8d8ỞỠd]d5&LỞỳĩỠẩ[ƯdỠdb]<7Ỡ$[ẻ7}Ỡf]bđcỠ$8b87ŨỠ6ẵ]Ỡ7[W6Ỡ*@iỠ7[Ũ7[Ỡd]!7Ỡ*ắỠd[ểỠfV$h]7Ỡ[ 7[ỠỰ7[ỠQỞỠcb$LỞ//$Ô%[$7Ôf7/]6}/%&c4d8ẩ/%-=Ũ8d[Ũ7[[8ŨÔf7/7&gc/RPSR/QÙÙ%ÚQTSỤPÚdSÚTÙ5QÔg&=ẩỞỠŨ5dLỞỳĩỠẩ[ƯdỠdb]<7Ỡ$[ẻ7}Ỡf]bđcỠ$8b87ŨỠ6ẵ]Ỡ7[W6Ỡ*@iỠ7[Ũ7[Ỡd]!7Ỡ*ắỠd[ểỠfV$h]7ỞỠ%ŨdŨ-ẩ[8d8-8b]}]7Ũ5-cb$LỞ[ddẩcỌ//$%7]6}Ôf]&d7Ũ6ẩ5đcÔf7/dÚRP/đẩ58Ũ%&%/[8d77z/RPRP_PỤ_QU/ddhf7fŨ$_h]7Ô3ẩ}ỞỠ/ỖD].6ỠfV$h]7Ỡ7}ềŨỠờỷFừợ-QỦỠ$[8Ỡ6ắdỠd 7[Ỡ7}đi)7Ỡf].7ỠdỪ]Ỡứ855ig88%ÕỠ=Ũ7}Ỡũ58b]%ŨÕỠỳĩÕỠ7}ỨiỠQS/Ụ/RPRPÔỠỒn7[ỌỠjũẨ/DDHFỵỘỔ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖỵ}ỨiỠQT/ỤÕỠF])7ỠờƯ$Ỡ=)7[Ỡdbđi(7Ỡ7[]>6ỠfỨỠ%0Ỡế7}Ỡẫđã$Ỡ}]ŨỠỳĩỠỒỵừjừợỘỠ$[8Ỡ=]!dỠ$ả7}Ỡdb 7[Ỡ7}[].7Ỡ$ếđỠdb.7Ỡ*Ũ7}ỠầỠ}]Ũ]Ỡ*8Ừ7Ỡ*ỶđỠfỨỠ$["7[Ỡẩ[ẻỠ*Ũ7}ỠêđỠd].7Ỡf])$Ỡ$[á7Ỡ7}#đỠ7[].7Ỡ$Ư$Ỡh?dỠ7}[])6Ỡ5Ỳ6ỠcỨ7}Ỡ$ẻŨỠ$Ư$Ỡ“ế7}Ỡ$ểỠf].7”ỠfV$h]7Ỡ7}ềŨỠf]bđcỠCjBC-ờ8F-RÔỔ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖỳắdỠcãỠfV$h]7Ỡ*ỬỠ=êẵ$ỠfỨ8Ỡ}]Ũ]Ỡ*8Ừ7Ỡ$đã]Ỡ$ẻŨỠ}]Ũ]Ỡ*8Ừ7Ỡd[ểỠ7}[])6Ỡ5Ỳ6ỠcỨ7}ÕỠdb87}Ỡ*9Ỡ$9ỠfV$h]7Ỡ$ẻŨỠ$Ư$Ỡ$ả7}ỠdiỠ%êấ$Ỡẩ[@6Ỡỳ8%&b7ŨÕỠẨ{]z&bỠfỨỠjcdbŨZ&7&$ŨÔỔ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖDđiỠ7[].7ÕỠỵừjừợỠ$[8Ỡ=]!dỠ$Ư$Ỡ7[ỨỠ4[8ŨỠ[á$Ỡ“*ỬỠ=VdỠ*ỶđỠ7}[].7Ỡ$ếđỠdỪ8ỠbŨỠ6ắdỠ$[ẻ7}Ỡf]bđcỠ$9Ỡd[<Ỡ*êấ$Ỡ%é7}ỠfỨ8Ỡf])$Ỡẩ[ƯdỠdb]<7Ỡ6ảỠ[ 7[ỠứờDỠdb.7Ỡ$ẳỠd[<Ỡ7}êâ]ÕỠ7!đỠ$Ỷ7Ô”Ổ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖDb87}Ỡ$Ư$Ỡd[ểỠ7}[])6Ỡ5Ỳ6ỠcỨ7}Ỡ= 7[Ỡd[êâ7}ÕỠ$ẳỠd[<Ỡd 7[Ỡ7}đi)7Ỡf].7Ỡ*êấ$Ỡd]!ẩỠ7[Ỹ7Ỡ6ắdỠ58Ừ]Ỡd[đã$Ỡ[8X$Ỡ6ắdỠ}]ỰỠ%êấ$ỠfỨỠ*êấ$Ỡd[&8Ỡ%ạ]Ỡcế$Ỡ4[à&Ỡdb87}Ỡ7[](đỠd[Ư7}ỠcŨđỠ*9ÔỠư]Ũ]Ỡ*8Ừ7Ỡ*ỶđỠd[ểỠ7}[])6Ỡdb.7Ỡ6ắdỠ7[96Ỡ7[àỠỒ4[8Ự7}ỠUPỠ7}êâ]ỘỠ*<Ỡ*Ư7[Ỡ}]ƯỠ6ế$Ỡ*ắỠŨ7Ỡd8Ứ7Ỡd[ệ$Ỡd!ÔỠCŨđỠ*9Ỡ5ỨỠ}]Ũ]Ỡ*8Ừ7Ỡ[Ũ]Ỡd[ểỠ7}[])6Ỡfẵ]Ỡ[Ứ7}ỠdbỮ6Ỡ7}êâ]ỠfỨỠ$đã]Ỡ$é7}Ỡ5ỨỠ}]Ũ]Ỡ*8Ừ7Ỡ=ŨỠd[ểỠ7}[])6ỠầỠẫđiỠ6ảỠ[Ứ7}Ỡ$[ẹ$Ỡ7}[ 7Ỡ7}êâ]ÔỠư]Ũ]Ỡ*8Ừ7Ỡ$đã]Ỡ7ỨiỠbỴdỠdã7Ỡ4?6Ỡd](7Ỡ=Ừ$ỠfỨỠd[â]Ỡ}]Ũ7ỠfỨỠ$Ỷ7Ỡ6ắdỠ6#đỠ*ẻỠ5ẵ7ỠfỨỠ*ŨỠ%Ừ7}Ỡf(Ỡ$Ư$Ỡi!đỠdãỠ7[Ỳ7Ỡ4[@đỠ[á$ÔỔ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖờƯ$Ỡ7[ỨỠ4[8ŨỠ[á$Ỡ7}[].7Ỡ$ếđỠ$ẳỠ$[!Ỡ[8ỪdỠ*ắ7}Ỡ$ẻŨỠfV$h]7Ỡ[8X$Ỡd[đã$Ỡ*](đỠdb0Ỡ4[]Ỡ6ắdỠ7}êâ]Ỡẩ[ẳ]Ỡ7[]>6ỠdệỠ7[].7Ỡfẵ]Ỡf]bđcÔỔ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖDđiỠ7[].7ÕỠ$9Ỡ6ắdỠ$Ư$[Ỡ7[Ũ7[Ỡ[ẳ7Ỡ*<Ỡ4]<6ỠdbŨỠ5])đỠ6ắdỠ58Ừ]Ỡd[đã$Ỡ[ŨiỠfV$h]7Ỡ$9Ỡ[8ỪdỠ*ắ7}Ỡ[])đỠẫđỰỠ[ŨiỠ4[ả7}Ỡ5ỨỠứờDỠ-Ỡdế$Ỡ5ỨỠ$[ẻỠ*ắ7}Ỡ*êŨỠf]bđcỠfỨ8Ỡ$ẳỠd[<Ỡd 7[Ỡ7}đi)7Ỡf].7ÕỠ7[êỠ*ỬỠd[ệ$Ỡ[])7Ỡfẵ]Ỡ$Ư$Ỡ=)7[Ỡ$e6ỠÕỠcãdỠb?dỠÕỠd[êẳ7}Ỡ[Ứ7ÕỠcãdỠhđỴdỠ[đi!dỠfỨỠdỰÔỔ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖẨ[êẳ7}Ỡẩ[ƯẩỠ7ỨiỠd[êâ7}Ỡ*êấ$Ỡd]!7Ỡ[Ứ7[Ỡfẵ]Ỡ6ắdỠf]bđcỠ*Ũ7}Ỡ4[ả7}Ỡ5Ũ7Ỡdbđi(7Ỡ6Ừ7[Ỡdb87}Ỡ$ắ7}Ỡ*ă7}ÕỠ[8X$Ỡdbêẵ$Ỡ*9Ỡ*ỬỠ$9Ỡ$Ư$Ỡẩ[êẳ7}Ỡẩ[ƯẩỠ*](đỠdb0Ỡ*ỬỠ*êấ$Ỡ4]<6Ỡ$[ế7}Ỡdbêẵ$Ỡ*9ÔỔ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖDỪ]ỠỳĩÕỠ$9Ỡ7[](đỠ7[96ỠfỸ7Ỡ*ắ7}Ỡ7[êỠQợŨiC887&bỠẻ7}Ỡ[ắỠ$Ư$Ỡ7}[].7Ỡ$ếđỠứờDỠ*ã]Ỡfẵ]Ỡ=)7[ỠờỷFừợ-QỦỠ7[W6Ỡ}]eẩỠcẵ6Ỡ$9ỠfV$h]7Ỡẩ[a7}Ỡ=)7[ÕỠ7[ê7}Ỡ$Ư$[Ỡ5Ứ6Ỡ7ỨiỠf#7Ỡ}ỲiỠdbŨ7[Ỡ$Ử]Ỡf Ỡ4[ả7}Ỡd[<Ỡ=]!dỠdbêẵ$Ỡ6ế$Ỡ*ắỠ7}[].6Ỡdbá7}Ỡ$ẻŨỠ=)7[ỠfỨỠ$[êŨỠ[]<đỠ[!dỠ$Ư$ỠdƯ$Ỡ*ắ7}Ỡ$ẻŨỠ=)7[Ỡ$ẽ7}Ỡ7[êỠ$[êŨỠ$9Ỡd[đã$Ỡ$[ễŨÔỔ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖỵ}8Ứ]ỠbŨÕỠd[&8Ỡ7}êâ]Ỡ*ế7}Ỡ*ỶđỠy[8ŨỠỵ}[].7Ỡ$ếđỠd[ểỠ7}[])6ỠfV$h]7Ỡ$ẻŨỠởỪ]Ỡ[á$Ỡư&8b}&ỠGŨc[]7}d87ÕỠả7}ỠợŨf]%Ỡợ]&6&bdÕỠ[])7ỠầỠỳĩỠ$9Ỡ%])7Ỡ5ỲiỠ7[]>6Ỡbắ7}Ỡdb87}Ỡ$ắ7}Ỡ*ă7}Ỡ7.7Ỡ4[ả7}Ỡ$Ỷ7Ỡ*!7Ỡ$Ư$Ỡd[ểỠ7}[])6ỠứờDÔỔ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖỵừjừợỠ$[8Ỡ=]!dỠc,Ỡ$9Ỡd[<Ỡ*êŨỠbŨỠẫđi!dỠ*07[Ỡf(Ỡf])$Ỡ7ỨiỠfỨ8Ỡ$đã]Ỡ7Ữ6Ỡ7ŨiÕỠ4[]Ỡ$Ư$Ỡd[ểỠ7}[])6Ỡ5Ỳ6ỠcỨ7}Ỡ}]Ũ]Ỡ*8Ừ7Ỡ$đã]Ỡ=VdỠ*ỶđỠ$[8Ỡ4!dỠẫđỰÔỠở](đỠ7ỨiỠc,Ỡ}]eẩỠhƯ$Ỡ*07[Ỡ5])đỠ$Ư$Ỡd[ểỠ7}[])6ỠứờDỠ$9Ỡ$Ỷ7Ỡd[]!dÕỠŨ7Ỡd8Ứ7ỠfỨỠẩ[éỠ[ấẩỠfẵ]Ỡ$[đ@7Ỡ6ệ$Ỡ*Ừ8Ỡ*ế$Ỡ[ŨiỠ4[ả7}ÔỔ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖDb87}Ỡ6ắdỠ%]>7Ỡ=]!7Ỡ4[Ư$ÕỠ6ắdỠ7}[].7Ỡ$ếđỠdỪ]Ỡd[0ỠdbỴ7Ỡyđẩ{&bz&55ÕỠ=Ũ7}ỠớŨ%&7Ỡ-ỠGđ&bdd&6=&b}ÕỠ6](7ỠỵŨ6Ỡ7êẵ$Ỡởế$ÕỠfã7Ỡ5ỨỠ6ắdỠ*]<6Ỡ797}ỠờỷFừợ-QỦÕỠ$[8Ỡd[ỴiỠÙÕÙNỠ7}êâ]Ỡ%Ỳ7Ỡ*0ŨỠẩ[êẳ7}Ỡ$9Ỡ4[Ư7}Ỡd[<Ỡ$[ã7}Ỡf]bđcỠCjBC-ờ8F-RÔỔ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖỵ}ỨiỠQT/ỤÕỠF])7ỠB8=&bdỠy8$[ỠỒByừỘÕỠ$ẳỠẫđŨ7Ỡ$["7[Ỡẩ[ẻỠ5].7Ỡ=Ũ7}Ỡf(Ỡẩ[a7}ỠfỨỠ4]<6Ỡc8ƯdỠ%0$[Ỡ=)7[ÕỠ$[8Ỡ=]!dỠ}Ỷ7ỠQÙNỠ7}êâ]Ỡẩ[ƯdỠ[])7Ỡ$9Ỡ4[Ư7}Ỡd[<Ỡd"$[Ỡ$ệ$Ỡ5ỨỠ7[ễ7}Ỡ7}êâ]Ỡ4[ả7}Ỡ$9Ỡdb])đỠ$[ế7}Ỡ=)7[Ỡ*]<7Ỡ[ 7[ÕỠdb87}Ỡ4[]ỠdỴdỠ$ỰỠ7[ễ7}Ỡ7}êâ]Ỡ4[Ư$Ỡ$9Ỡ"dỠ7[ỴdỠ6ắdỠdb])đỠ$[ế7}Ỡ7[êỠcãdÕỠ[8ÕỠ4[9Ỡd[ầÔỔ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖDđiỠ7[].7ÕỠẨ[9Ỡư]Ư6Ỡ*ã$ỠF])7ỠByừỠýŨbcỠC$[ŨŨ%&Ỡ$[8Ỡ=]!dỠ7}ŨiỠ$ỰỠ4[]Ỡ}]ỰỠ*07[ỠbW7}Ỡ7}êâ]Ỡ$9Ỡ4[Ư7}Ỡd[<Ỡc,Ỡ6]>7Ỡ%0$[Ỡfẵ]Ỡf]bđcỠfỨỠƯẩỠ%ẹ7}Ỡ*](đỠ7ỨiỠfẵ]ỠdỴdỠ$ỰỠ6á]Ỡ7}êâ]ỠầỠởế$ÕỠ$ẽ7}Ỡ“4[ả7}Ỡ*ẻỠ*<Ỡ7}Ữ7Ỡ$[X7Ỡ5Ứ7Ỡc97}Ỡd[ếỠ[Ũ]”ỠầỠ7êẵ$Ỡ7ỨiÔỔ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖứẳ7Ỡ7ễŨÕỠ7}[].7Ỡ$ếđỠ$[8Ỡd[ỴiỠRỤÕRNỠ7}êâ]Ỡdbêầ7}Ỡd[Ứ7[Ỡ7[]>6Ỡf]bđcỠ7[ê7}Ỡ$ẳỠd[<Ỡ4[ả7}ỠdỪ8ỠbŨỠ4[Ư7}Ỡd[<ÕỠ%éỠ*](đỠ7ỨiỠ4[ả7}Ỡ$9Ỡ7}[2ŨỠ5ỨỠ[áỠ4[ả7}Ỡ$9Ỡ6]>7Ỡ%0$[ÔỔ/ẩỖỔẩỠ$5ŨccLỞẩớ8%iỞỖỵ!đỠh?dỠd[&8Ỡ}]ẵ]Ỡd"7[ÕỠ7}[].7Ỡ$ếđỠ$[8Ỡd[ỴiỠ4[Ư7}Ỡd[<Ỡ*êấ$Ỡẩ[ƯdỠ[])7ỠầỠ7ễỠ}]ẵ]ỠỒỤÕÙNỘỠ$Ũ8Ỡ[ẳ7Ỡ7Ũ6Ỡ}]ẵ]ỠỒÚÕÙNỘÔỠỵ}[].7Ỡ$ếđỠdb.7Ỡ$ẽ7}Ỡẩ[ƯdỠ[])7ỠbW7}ỠcãỠ$ŨỠ7[]>6Ỡ$Ũ8Ỡ}ỴẩỠSÕỦỠ5Ỷ7Ỡc8Ỡfẵ]Ỡ7[ễ7}Ỡ$87ỠcãỠd[ã7}Ỡ4.Ỡ$["7[Ỡd[ế$ỠdỪ]Ỡyđẩ{&bz&55ÕỠd[0ỠdbỴ7Ỡ$9Ỡ}Ỷ7ỠÚÔPPPỠ%Ỳ7Ô/ÔỔ/ẩỖỔẩỠ$5ŨccLỞẩjđd[8bỞỖỒDDHFỵ/F]&d7Ũ6+ỘỔ/ẩỖ