Ch\u01b0a t\u00ecm ra thu\u1ed1c ch\u1ee7ng ng\u1eeba th\u00ec \u0111\u00fang r\u1ed3i. Nh\u01b0ng chuy\u1ec7n “nh\u00e2n lo\u1ea1i s\u1ebd b\u1ecb ti\u00eau di\u1ec7t v\u00ec b\u1ec7nh AIDS”, th\u00ec ch\u01b0a h\u1eb3n; c\u00f3 x\u1ea3y ra hay kh\u00f4ng l\u00e0 do m\u1ecdi ng\u01b0\u1eddi ch\u1ea5p nh\u1eadnay kh\u00f4ng ch\u1ea5p nh\u1eadn ch\u1ebf \u0111\u1ed9 “m\u1ed9t v\u1ee3 m\u1ed9t ch\u1ed3ng”, “ch\u1ec9 m\u1ed9t ng\u01b0\u1eddi t\u00ecnh duy nh\u1ea5t”, ho\u1eb7c “s\u1eed d\u1ee5ng bao cao su 100%)!<\/p>\n\n\n\n
Khoa h\u1ecdc v\u1eabn \u0111ang r\u00e1o ri\u1ebft t\u00ecm m\u1ed9t vacxin \u0111\u1ec3 ch\u1ee7ng ng\u1eeba. – \u0110\u1ea7u th\u00e1ng 11-1998, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u1ee7a \u00fac cho bi\u1ebft l\u00e0, l\u1ea7n \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi, h\u1ecd \u0111\u00e3 hi\u1ec7u ch\u1ec9nh \u0111\u01b0\u1ee3c m\u1ed9t lo\u1ea1i vacxin ng\u1eeba HIV\/AIDS, sau khi th\u00e0nh c\u00f4ng tr\u00ean kh\u1ec9 th\u00ed nghi\u1ec7m, s\u1ebd \u0111\u01b0\u1ee3c d\u00f9ng th\u1eed cho 25 ng\u01b0\u1eddi nhi\u1ec5m HIV t\u00ecnh nguy\u1ec7n v\u00e0o cu\u1ed1i 1998 – \u0111\u1ea7u 1999, v\u1edbi s\u1ef1 t\u00e0i tr\u1ee3 c\u1ee7a Ch\u00ednh ph\u1ee7 \u00fac.<\/p>\n\n\n\n
Nguy\u00ean t\u1eafc c\u1ee7a vacxin n\u00f3i tr\u00ean l\u00e0 l\u00e0m cho c\u01a1 th\u1ec3 s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t lo\u1ea1i b\u1ea1ch c\u1ea7u T c\u00f3 \u0111\u1eb7c t\u00ednh g\u00e2y nguy h\u1ea1i cho nh\u1eefng b\u1ea1ch c\u1ea7u CD4 \u0111\u00e3 nhi\u1ec5m virus (do \u0111\u00f3 ph\u00e1 h\u1ee7y \u0111\u01b0\u1ee3c n\u01a1i c\u01b0 tr\u00fa v\u00e0 t\u1ef1 nh\u00e2n l\u00ean c\u1ee7a virus HIV, l\u00e0m cho ch\u00fang m\u1ea5t “\u0111\u1ea5t” ho\u1ea1t \u0111\u1ed9ng v\u00e0 sinh s\u00f4i). N\u1ebfu vacxin n\u00e0y th\u00e0nh c\u00f4ng, gi\u00e1 th\u00e0nh c\u1ee7a m\u1ed7i m\u0169i ch\u1ee7ng ng\u1eeba ch\u1ec9 kho\u1ea3ng 0,02 – 0,03 \u0111\u00f4la M\u1ef9; \u0111\u01b0\u1ee3c th\u1ebf th\u00ec th\u1eadt h\u1ed3ng ph\u00fac l\u1edbn cho nh\u00e2n lo\u1ea1i! – \u1edf ph\u01b0\u01a1ng T\u00e2y, s\u1edf d\u0129 ch\u01b0a ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c thu\u1ed1c ch\u1ee7ng ng\u1eeba AIDS l\u00e0 v\u00ec l\u00fd do sau \u0111\u00e2y: Mu\u1ed1n th\u00e2m nh\u1eadp v\u00e0o t\u1ebf b\u00e0o ng\u01b0\u1eddi, virus HIV s\u1eed d\u1ee5ng m\u1ed9t th\u1ee9 v\u0169 kh\u00ed l\u1ee3i h\u1ea1i l\u00e0 protein gp 120 – n\u1eb1m tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a virus, gi\u00fap n\u00f3 g\u1eafn d\u00ednh v\u00e0o c\u00e1c t\u1ebf b\u00e0o b\u1ecb nhi\u1ec5m – c\u00f3 \u0111\u1eb7c t\u00ednh bi\u1ebfn d\u1ecb r\u1ea5t cao, ngh\u0129a l\u00e0 lu\u00f4n thay \u0111\u1ed5i, l\u00e0m cho c\u00e1c nh\u00e0 khoa h\u1ecdc nh\u01b0 b\u1ecb r\u01a1i v\u00e0o m\u1ed9t tr\u1eadn \u0111\u1ed3 b\u00e1t q\u00faai, ch\u01b0a t\u00ecm \u0111\u01b0\u1ee3c c\u00e1ch \u0111\u1ed1i ph\u00f3.<\/p>\n\n\n\n
N\u0103m 1998, m\u1ed9t nh\u00f3m nghi\u00ean c\u1ee9u c\u1ee7a Tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc t\u1ed5ng h\u1ee3p Harvard, Massachusetts, Hoa K\u1ef3, do nh\u00e0 khoa h\u1ecdc J.Sodroski ch\u1ee7 tr\u00ec, \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng gp 120 c\u00f3 m\u1ed9t m\u1ea9u h\u1eb1ng \u0111\u1ecbnh, ngh\u0129a l\u00e0 kh\u00f4ng m\u1ea3y may thay \u0111\u1ed5i trong b\u1ea5t c\u1ee9 ho\u00e0n c\u1ea3nh n\u00e0o; n\u1ebfu v\u00f4 hi\u1ec7u h\u00f3a \u0111\u01b0\u1ee3c m\u1ea9u n\u00e0y th\u00ec c\u00f3 th\u1ec3 “c\u1ea5m c\u1eeda” HIV, kh\u00f4ng cho n\u00f3 th\u00e2m nh\u1eadp t\u1ebf b\u00e0o. Nh\u01b0ng \u0111i\u1ec1u gay c\u1ea5n l\u00e0 m\u1ea9u n\u00e0y ch\u1ec9 b\u1ed9c l\u1ed9 trong nh\u00e1y m\u1eaft, v\u00e0o l\u00fac t\u1ebf b\u00e0o b\u1ecb nhi\u1ec5m; cho n\u00ean trong t\u01b0\u01a1ng lai g\u1ea7n, li\u1ec7u c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 nh\u1eafm \u0111\u01b0\u1ee3c \u0111\u00fang th\u1eddi c\u01a1 \u0111\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a n\u00f3 kh\u00f4ng?<\/p>\n\n\n\n
\u0110\u1ea5u n\u0103m 1999, xu\u1ea5t ph\u00e1t t\u1eeb \u00fd ni\u1ec7m cho r\u1eb1ng “gp 120 thay h\u00ecnh \u0111\u1ed5i d\u1ea1ng nhi\u1ec1u l\u1ea7n trong q\u00faa tr\u00ecnh g\u1eafn d\u00ednh v\u00e0o c\u00e1c b\u1ed9 ph\u1eadn c\u1ea3m c\u1ee7a t\u1ebf b\u00e0o b\u1ecb nhi\u1ec5m, v\u1eady th\u00ec c\u00f3 l\u1ebd l\u00fac \u0111\u00f3 n\u00f3 \u0111\u00e3 ph\u00e1t hi\u1ec7n ra nhi\u1ec1u v\u1ecb tr\u00ed g\u00e2y mi\u1ec5n d\u1ecbch”, nh\u00f3m nghi\u00ean c\u1ee9u c\u1ee7a J. Nunber, Tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc t\u1ed5ng h\u1ee3p Montana, Hoa K\u1ef3, \u0111\u00e3 ch\u1ebf t\u1ea1o ra nh\u1eefng t\u1ebf b\u00e0o mang ph\u1ee9c h\u1ee3p gp 120 – b\u1ed9 nh\u1eadn c\u1ea3m (m\u00e0 h\u1ecd n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c h\u1ebft trong q\u00faa tr\u00ecnh g\u1eafn d\u00ednh), r\u1ed3i ti\u00eam c\u00e1c t\u1ebf b\u00e1o \u0111\u00f3 cho chu\u1ed9t \u0111\u00e3 h\u1ebft trong q\u00faa tr\u00ecnh g\u1eafn d\u00ednh), r\u1ed3i ti\u00eam c\u00e1c t\u1ebf b\u00e0o \u0111\u00f3 cho chu\u1ed9t \u0111\u00e3 chuy\u1ec3n gene nay mang b\u1ed9 c\u1ea3m th\u1ee5 c\u1ee7a ng\u01b0\u1eddi. K\u1ebft q\u1ee7a thu \u0111\u01b0\u1ee3c th\u1eadt r\u1ef1c r\u1ee1: Chu\u1ed9t \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ho\u00e0n to\u00e0n, kh\u00f4ng h\u1ec1 h\u1ea5n g\u00ec tr\u01b0\u1edbc s\u1ef1 t\u1ea5n c\u00f4ng c\u1ee7a \u0111\u1ee7 lo\u1ea1i HIV. D\u0129 nhi\u00ean c\u00e1c t\u1ebf b\u00e0o n\u00e0y ch\u01b0a th\u1ec3 d\u00f9ng cho ng\u01b0\u1eddi v\u00ec ch\u01b0a an to\u00e0n, nh\u01b0ng n\u1ebfu tinh khi\u1ebft h\u00f3a \u0111\u01b0\u1ee3c ph\u1ee9c h\u1ee3p gp 120 – b\u1ed9 nh\u1eadn c\u1ea3m, ch\u1eafc ch\u1eafn \u0111\u00e2y s\u1ebd l\u00e0 ph\u01b0\u01a1ng c\u00e1ch h\u1eefu hi\u1ec7u ph\u00f2ng ch\u1ed1ng HIV.<\/p>\n","protected":false},"excerpt":{"rendered":"
Ch\u01b0a t\u00ecm ra thu\u1ed1c ch\u1ee7ng ng\u1eeba th\u00ec \u0111\u00fang r\u1ed3i. Nh\u01b0ng chuy\u1ec7n “nh\u00e2n lo\u1ea1i s\u1ebd b\u1ecb ti\u00eau di\u1ec7t v\u00ec b\u1ec7nh AIDS”, th\u00ec ch\u01b0a h\u1eb3n; c\u00f3 x\u1ea3y ra hay kh\u00f4ng l\u00e0 do m\u1ecdi ng\u01b0\u1eddi ch\u1ea5p nh\u1eadnay kh\u00f4ng ch\u1ea5p nh\u1eadn ch\u1ebf \u0111\u1ed9 “m\u1ed9t v\u1ee3 m\u1ed9t ch\u1ed3ng”, “ch\u1ec9 m\u1ed9t ng\u01b0\u1eddi t\u00ecnh duy nh\u1ea5t”, ho\u1eb7c “s\u1eed d\u1ee5ng bao cao su […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[21],"tags":[],"class_list":["post-12753","post","type-post","status-publish","format-standard","hentry","category-y-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/12753","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=12753"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/12753\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=12753"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=12753"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=12753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}