{"id":597145,"date":"2022-03-21T11:04:53","date_gmt":"2022-03-21T04:04:53","guid":{"rendered":"https:\/\/canhco.net\/?p=597145"},"modified":"2022-03-21T11:56:31","modified_gmt":"2022-03-21T04:56:31","slug":"canh-bao-bien-chung-omicron-nguy-hiem-nhat-tu-truoc-toi-nay","status":"publish","type":"post","link":"https:\/\/m.canhco.net\/canh-bao-bien-chung-omicron-nguy-hiem-nhat-tu-truoc-toi-nay-p597145.html","title":{"rendered":"C\u1ea3nh b\u00e1o bi\u1ebfn ch\u1ee7ng Omicron nguy hi\u1ec3m nh\u1ea5t t\u1eeb tr\u01b0\u1edbc t\u1edbi nay"},"content":{"rendered":"

\u201cD\u1ef1a tr\u00ean nh\u1eefng con s\u1ed1 v\u00e0 ki\u1ec3u \u0111\u1ed9t bi\u1ebfn, Omicron l\u00e0 bi\u1ebfn ch\u1ee7ng t\u1ec7 nh\u1ea5t t\u1eeb tr\u01b0\u1edbc t\u1edbi nay. N\u00f3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n l\u1ea7n \u0111\u1ea7u ti\u00ean \u1edf Nam Phi v\u00e0o \u0111\u1ea7u th\u00e1ng 11. Hai tu\u1ea7n sau, c\u00e1c tr\u01b0\u1eddng h\u1ee3p m\u1edbi \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh \u1edf nhi\u1ec1u n\u01a1i tr\u00ean th\u1ebf gi\u1edbi nh\u01b0 Hong Kong (Trung Qu\u1ed1c), B\u1ec9, Israel\u201d, \u00f4ng Deepak Srivastava cho bi\u1ebft.<\/strong><\/p>\n

Ng\u00e0y 20\/12\/2021, T\u1ed5 ch\u1ee9c Y t\u1ebf Th\u1ebf gi\u1edbi x\u1ebfp Omicron v\u00e0o nh\u00f3m nh\u1eefng bi\u1ebfn ch\u1ee7ng \u0111\u00e1ng quan ng\u1ea1i. T\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3, theo Guardian, ti\u1ebfn s\u0129 Deepak Srivastava, Ch\u1ee7 t\u1ecbch Vi\u1ec7n Gladstone, nh\u1eadn \u0111\u1ecbnh \u0111\u00e2y l\u00e0 \u201cbi\u1ebfn ch\u1ee7ng t\u1ec7 nh\u1ea5t m\u00e0 ch\u00fang ta g\u1eb7p ph\u1ea3i cho \u0111\u1ebfn nay\u201d.<\/p>\n

\"\"
C\u1ea3nh b\u00e1o bi\u1ebfn ch\u1ee7ng nCoV nguy hi\u1ec3m nh\u1ea5t t\u1eeb tr\u01b0\u1edbc t\u1edbi nay. \u1ea2nh minh h\u1ecda.<\/figcaption><\/figure>\n

S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a Omicron mang theo nhi\u1ec1u c\u00e2u h\u1ecfi b\u1ecf ng\u1ecf kh\u00e1c khi gi\u1edbi chuy\u00ean gia ti\u1ebfp t\u1ee5c ph\u00e1t hi\u1ec7n \u00edt nh\u1ea5t 3 ch\u1ee7ng ph\u1ee5. Trong \u0111\u00f3, BA.2 nhanh ch\u00f3ng thay th\u1ebf BA.1 v\u00e0 l\u00e2y lan tr\u00ean to\u00e0n c\u1ea7u, mang t\u1edbi c\u00e1c l\u00e0n s\u00f3ng Covid-19 m\u1edbi. Nhi\u1ec1u nghi\u00ean c\u1ee9u \u0111\u00e3 c\u1ea3nh b\u00e1o BA.2 c\u00f3 th\u1ec3 s\u1ebd nguy hi\u1ec3m h\u01a1n bi\u1ebfn ch\u1ee7ng t\u1eebng \u0111\u01b0\u1ee3c nh\u1eadn \u0111\u1ecbnh l\u00e0 \u201ct\u1ec7 nh\u1ea5t\u201d.<\/p>\n

C\u00e1c k\u1ebft qu\u1ea3 tr\u00e1i ng\u01b0\u1ee3c\u00a0<\/strong><\/p>\n

Theo s\u1ed1 li\u1ec7u t\u1eeb T\u1ed5 ch\u1ee9c Y t\u1ebf Th\u1ebf gi\u1edbi, th\u00e1ng 2 ghi nh\u1eadn t\u1ed5ng c\u1ed9ng 61.000 ng\u01b0\u1eddi ch\u1ebft v\u00ec Covid-19. Outbreak th\u1ed1ng k\u00ea hi\u1ec7n t\u1ea1i, \u00edt nh\u1ea5t 97 qu\u1ed1c gia, v\u00f9ng l\u00e3nh th\u1ed5 ph\u00e1t hi\u1ec7n ca nhi\u1ec5m BA.2. T\u1ef7 l\u1ec7 l\u00e2y nhi\u1ec5m trong c\u00e1c ca b\u1ec7nh m\u1edbi tr\u00ean to\u00e0n c\u1ea7u c\u1ee7a BA.2 l\u00e0 4%. Trung b\u00ecnh trong tu\u1ea7n qua, gi\u1ea3i tr\u00ecnh t\u1ef1 gene cho th\u1ea5y 80% m\u1eabu tr\u00ean to\u00e0n c\u1ea7u l\u00e0 BA.2. Brunei l\u00e0 qu\u1ed1c gia c\u00f3 s\u1ed1 ca nhi\u1ec5m ch\u1ee7ng n\u00e0y nhi\u1ec1u nh\u1ea5t, chi\u1ebfm 50% ca m\u1eafc m\u1edbi m\u1ed7i ng\u00e0y, theo sau l\u00e0 \u0110an M\u1ea1ch (23%) v\u00e0 \u1ea4n \u0110\u1ed9 (18%).<\/p>\n

C\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 BA.2 cho th\u1ea5y n\u00f3 v\u1eeba d\u1ec5 l\u00e2y truy\u1ec1n v\u1eeba g\u00e2y t\u1eed vong cao h\u01a1n BA.1. Ch\u1ee7ng n\u00e0y \u0111ang nhanh ch\u00f3ng thay th\u1ebf bi\u1ebfn ch\u1ee7ng tr\u01b0\u1edbc \u0111\u00f3 t\u1eeb qu\u1ed1c gia n\u00e0y sang qu\u1ed1c gia kh\u00e1c. S\u1ed1 ca m\u1eafc m\u1edbi t\u0103ng cao t\u1ea1i ch\u00e2u \u00c2u, ch\u00e2u \u00c1.<\/p>\n

Tuy nhi\u00ean, c\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t. B\u00e1o c\u00e1o \u0111\u00e1ng b\u00e1o \u0111\u1ed9ng nh\u1ea5t \u0111\u01b0\u1ee3c \u0111\u01b0a ra trong m\u1ed9t nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Tokyo, so s\u00e1nh BA.1 v\u00e0 BA.2. C\u00e1c t\u00e1c gi\u1ea3 k\u1ebft lu\u1eadn BA.2 kh\u00e1c bi\u1ec7t \u0111\u1ebfn m\u1ee9c n\u00f3 c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh bi\u1ebfn ch\u1ee7ng m\u1edbi, t\u00e1ch ri\u00eang kh\u1ecfi Omicron. H\u1ecd c\u0169ng \u0111\u00e1nh gi\u00e1 \u0111\u00e2y l\u00e0 bi\u1ebfn ch\u1ee7ng nguy hi\u1ec3m nh\u1ea5t t\u1eebng xu\u1ea5t hi\u1ec7n trong g\u1ea7n 3 n\u0103m th\u1ebf gi\u1edbi tr\u1ea3i qua \u0111\u1ea1i d\u1ecbch Covid-19.<\/p>\n

\u201cD\u1ef1a tr\u00ean nh\u1eefng ph\u00e1t hi\u1ec7n m\u1edbi, ch\u00fang t\u00f4i \u0111\u1ec1 xu\u1ea5t BA.2 n\u00ean \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 bi\u1ebfn ch\u1ee7ng nCoV duy nh\u1ea5t c\u1ea7n quan t\u00e2m l\u00fac n\u00e0y v\u00e0 c\u1ea7n ph\u1ea3i theo d\u00f5i chuy\u00ean s\u00e2u\u201d, Kei Sato, \u0110\u1ea1i h\u1ecdc Tokyo, Nh\u1eadt B\u1ea3n, t\u00e1c gi\u1ea3 ch\u00ednh, nh\u1ea5n m\u1ea1nh. Trong khi \u0111\u00f3, nh\u00e0 khoa h\u1ecdc Yaneer Bar-Yam, \u0111\u1ed3ng s\u00e1ng l\u1eadp M\u1ea1ng l\u01b0\u1edbi Y t\u1ebf Th\u1ebf gi\u1edbi, \u1ee7ng h\u1ed9 quan \u0111i\u1ec3m n\u00e0y v\u00e0 \u0111\u00e1nh gi\u00e1 cao ph\u00e1t hi\u1ec7n t\u1eeb nh\u00f3m chuy\u00ean gia Nh\u1eadt B\u1ea3n.<\/p>\n

\"Bien
Ng\u01b0\u1eddi d\u00e2n \u0111eo kh\u1ea9u trang \u1edf Medell\u00edn, Colombia.<\/figcaption><\/figure>\n

Nghi\u00ean c\u1ee9u nh\u1eadn th\u1ea5y BA.2 kh\u00f4ng ch\u1ec9 d\u1ec5 l\u00e2y lan h\u01a1n BA.1, n\u00f3 c\u00f2n tr\u00e1nh \u0111\u01b0\u1ee3c kh\u00e1ng th\u1ec3 t\u1eeb vaccine hay mi\u1ec5n d\u1ecbch c\u1ee7a l\u1ea7n m\u1eafc tr\u01b0\u1edbc \u0111\u00f3. \u201cN\u1ebfu tr\u01b0\u1edbc \u0111\u00e2y b\u1ea1n \u0111\u00e3 b\u1ecb nhi\u1ec5m b\u1edfi BA.1, m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 v\u1edbi BA.2 kh\u00f4ng c\u00f2n \u0111\u1ee7 cao nh\u01b0 v\u1eady. BA.2 s\u1ebd b\u1ecf qua kh\u1ea3 n\u0103ng mi\u1ec5n d\u1ecbch sau khi nhi\u1ec5m BA.1 v\u00e0 d\u1eabn t\u1edbi nhi\u1ec1u nguy c\u01a1 cao h\u01a1n\u201d, v\u1ecb chuy\u00ean gia n\u00f3i.<\/p>\n

C\u00e1c t\u00e1c gi\u1ea3 c\u0169ng ph\u00e1t hi\u1ec7n \u1edf \u0111\u1ed9ng v\u1eadt, BA.2 g\u00e2y thi\u1ec7t h\u1ea1i nhi\u1ec1u h\u01a1n \u0111\u00e1ng k\u1ec3, n\u00f3 \u0111\u1ea9y t\u00ecnh tr\u1ea1ng nhi\u1ec5m tr\u00f9ng s\u00e2u h\u01a1n v\u00e0o ph\u1ed5i so v\u1edbi ch\u1ee7ng Omicron ban \u0111\u1ea7u. Nh\u1eefng con b\u1ecb nhi\u1ec5m BA.2 s\u1ebd b\u1ecb \u1ed1m n\u1eb7ng h\u01a1n, ch\u1ee9c n\u0103ng ph\u1ed5i c\u0169ng suy ki\u1ec7t m\u1ea1nh h\u01a1n. Trong khi \u0111\u00f3, c\u00e1c m\u00f4, ph\u1ed5i chu\u1ed9t lang b\u1ecb nhi\u1ec5m BA.2 c\u0169ng b\u1ecb t\u1ed5n th\u01b0\u01a1ng nhi\u1ec1u h\u01a1n nh\u00f3m nhi\u1ec5m BA.1.<\/p>\n

T\u01b0\u01a1ng t\u1ef1 ch\u1ee7ng Omicron g\u1ed1c, BA.2 c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1 v\u1ee1 c\u00e1c kh\u00e1ng th\u1ec3 trong m\u00e1u c\u1ee7a ng\u01b0\u1eddi \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u00eam vaccine Covid-19. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c kh\u00e1ng th\u1ec3 t\u1ef1 nhi\u00ean c\u1ee7a ng\u01b0\u1eddi t\u1eebng nhi\u1ec5m m\u1ed9t s\u1ed1 bi\u1ebfn ch\u1ee7ng kh\u00e1c nh\u01b0 Alpha, Delta\u2026 \u0110\u1eb7c bi\u1ec7t, BA.2 g\u1ea7n nh\u01b0 kh\u00e1ng ho\u00e0n to\u00e0n m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb b\u1eb1ng kh\u00e1ng th\u1ec3 \u0111\u01a1n d\u00f2ng.<\/p>\n

Theo nh\u00e0 virus h\u1ecdc Deborah Fuller, \u0110\u1ea1i h\u1ecdc Y khoa Washington, M\u1ef9, ng\u01b0\u1eddi kh\u00f4ng tham gia nghi\u00ean c\u1ee9u, \u0111i\u1ec1u n\u00e0y d\u1eabn t\u1edbi m\u1ed9t k\u1ebft lu\u1eadn r\u1ea5t quan tr\u1ecdng. \u0110\u00f3 l\u00e0 BA.2 c\u00f3 v\u1ebb d\u1ec5 l\u00e2y lan v\u00e0 g\u00e2y b\u1ec7nh n\u1eb7ng h\u01a1n Omicron, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng g\u00e2y ra l\u00e0n s\u00f3ng l\u00e2y nhi\u1ec5m t\u00e0n kh\u1ed1c h\u01a1n.<\/p>\n

C\u00e1c nghi\u00ean c\u1ee9u kh\u00e1c c\u0169ng x\u00e1c nh\u1eadn BA.2 \u0111ang d\u1ea7n thay th\u1ebf BA.1. Bi\u1ebfn ch\u1ee7ng ph\u1ee5 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n \u1edf 8-10% m\u1eabu gi\u1ea3i tr\u00ecnh t\u1ef1 gene t\u1ea1i M\u1ef9. \u1ede \u0110an M\u1ea1ch, nh\u00f3m chuy\u00ean gia c\u1ee7a Vi\u1ec7n Statens Serum (SSI), c\u01a1 quan qu\u1ea3n l\u00fd b\u1ec7nh truy\u1ec1n nhi\u1ec5m h\u00e0ng \u0111\u1ea7u t\u1ea1i n\u01b0\u1edbc n\u00e0y, BA.2 d\u1ec5 l\u00e2y truy\u1ec1n h\u01a1n BA.1 t\u1edbi 50%. Trong nghi\u00ean c\u1ee9u t\u1ea1i Tokyo, kh\u1ea3 n\u0103ng l\u00e2y nhi\u1ec5m c\u1ee7a ch\u1ee7ng n\u00e0y t\u0103ng 40% so v\u1edbi Omicron ban \u0111\u1ea7u.<\/p>\n

\"Bien
B\u00ean trong m\u1ed9t ph\u00f2ng gi\u1ea3i tr\u00ecnh t\u1ef1 gene nCoV c\u1ee7a T\u1ed5 ch\u1ee9c Y t\u1ebf Th\u1ebf gi\u1edbi.\u00a0<\/figcaption><\/figure>\n

Theo TS Maria Van Kerkhove, Tr\u01b0\u1edfng nh\u00f3m k\u1ef9 thu\u1eadt v\u1ec1 Covid-19 c\u1ee7a T\u1ed5 ch\u1ee9c Y t\u1ebf Th\u1ebf gi\u1edbi, \u201cBA.2 c\u00f3 l\u1ee3i th\u1ebf t\u0103ng tr\u01b0\u1edfng h\u01a1n BA.1. Ch\u00fang ta c\u1ea7n gi\u1ea3m t\u1ed1c \u0111\u1ed9 l\u00e2y truy\u1ec1n c\u1ee7a n\u00f3, b\u1edfi n\u1ebfu kh\u00f4ng, ch\u00fang ta s\u1ebd kh\u00f4ng ch\u1ec9 th\u1ea5y nhi\u1ec1u ca nhi\u1ec5m h\u01a1n m\u00e0 c\u00f2n l\u00e0 s\u1ef1 leo thang c\u1ee7a ca nh\u1eadp vi\u1ec7n, t\u1eed vong. \u0110\u1eb7c bi\u1ec7t, ng\u00e0y c\u00e0ng nhi\u1ec1u ng\u01b0\u1eddi g\u1eb7p di ch\u1ee9ng h\u1eadu Covid-19 h\u01a1n v\u00e0 t\u1ea1o c\u01a1 h\u1ed9i cho c\u00e1c bi\u1ebfn ch\u1ee7ng m\u1edbi xu\u1ea5t hi\u1ec7n\u201d.<\/p>\n

M\u1ed9t nghi\u00ean c\u1ee9u c\u1ee7a \u0110\u1ea1i h\u1ecdc bang Michigan xem x\u00e9t h\u00e0ng lo\u1ea1t ph\u00e1t hi\u1ec7n v\u1ec1 BA.2 v\u00e0 k\u1ebft lu\u1eadn \u201c\u0111\u00e2y s\u1ebd l\u00e0 bi\u1ebfn ch\u1ee7ng ph\u1ed5 bi\u1ebfn tr\u00ean to\u00e0n c\u1ea7u b\u1eb1ng c\u00e1ch l\u00e2y nhi\u1ec5m cho nh\u1eefng qu\u1ea7n th\u1ec3 c\u00f3 ho\u1eb7c kh\u00f4ng c\u00f3 kh\u00e1ng th\u1ec3 b\u1ea3o v\u1ec7\u201d. V\u00e0 c\u00e1c s\u1ed1 li\u1ec7u hi\u1ec7n t\u1ea1i tr\u00ean to\u00e0n c\u1ea7u \u0111\u00e3 ch\u1ee9ng minh cho d\u1ef1 b\u00e1o n\u00e0y.<\/p>\n

\u0110\u1eb7c bi\u1ec7t, BA.2 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng vaccine cao h\u01a1n 30% so v\u1edbi BA.1 v\u00e0 cao h\u01a1n Delta 17 l\u1ea7n. D\u00f2ng ph\u1ee5 th\u1ee9 hai c\u1ee7a Omicron c\u00f3 nhi\u1ec1u \u0111\u1ed9t bi\u1ebfn h\u01a1n BA.1, g\u1ed3m 4 \u0111\u1ed9t bi\u1ebfn \u0111\u1eb7c bi\u1ec7t trong v\u00f9ng li\u00ean k\u1ebft th\u1ee5 th\u1ec3 \u2013 khu v\u1ef1c \u0111\u1ec3 virus b\u00e1m v\u00e0o c\u00e1c t\u1ebf b\u00e0o c\u01a1 th\u1ec3.<\/p>\n

Theo nghi\u00ean c\u1ee9u kh\u00e1c \u1edf Vi\u1ec7n C\u00f4ng ngh\u1ec7 Massachusetts, M\u1ef9, \u201cng\u00e0y c\u00e0ng nhi\u1ec1u b\u1eb1ng ch\u1ee9ng cho th\u1ea5y nguy c\u01a1 nhi\u1ec5m nCoV \u1edf nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ti\u00eam vaccine l\u00e0 \u0111\u1eb7c hi\u1ec7u cho t\u1eebng bi\u1ebfn ch\u1ee7ng. Kh\u1ea3 n\u0103ng mi\u1ec5n d\u1ecbch c\u00f3 th\u1ec3 kh\u00e1c nhau tr\u00ean t\u1eebng bi\u1ebfn ch\u1ee7ng\u201d. C\u00f4ng tr\u00ecnh kh\u00e1c x\u00e1c nh\u1eadn \u0111i\u1ec1u n\u00e0y v\u00e0 k\u1ebft lu\u1eadn ng\u01b0\u1eddi \u0111\u00e3 nhi\u1ec5m BA.1 kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi nguy c\u01a1 nhi\u1ec5m BA.2.<\/p>\n

Tr\u00e1i ng\u01b0\u1ee3c v\u1edbi c\u00e1c c\u1ea3nh b\u00e1o tr\u00ean, theo WHO, d\u1eef li\u1ec7u ban \u0111\u1ea7u cho th\u1ea5y BA.2 \u201cc\u00f3 v\u1ebb d\u1ec5 l\u00e2y truy\u1ec1n h\u01a1n BA.1 nh\u01b0ng t\u1ef7 l\u1ec7 l\u00e2y nhi\u1ec5m c\u1ee7a t\u1ea5t c\u1ea3 bi\u1ebfn ch\u1ee7ng tr\u00ean to\u00e0n c\u1ea7u \u0111ang c\u00f3 xu h\u01b0\u1edbng gi\u1ea3m\u201d. WHO c\u0169ng k\u1ebft lu\u1eadn BA.2 n\u00ean \u0111\u01b0\u1ee3c theo d\u00f5i l\u00e0 ch\u1ee7ng ph\u1ee5 c\u1ee7a Omicron thay v\u00ec \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean l\u00e0 bi\u1ebfn ch\u1ee7ng m\u1edbi.<\/p>\n

C\u01a1 quan n\u00e0y kh\u1eb3ng \u0111\u1ecbnh: \u201cCh\u00fang t\u00f4i kh\u00f4ng nh\u1eadn th\u1ea5y s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a BA.1 so v\u1edbi BA.2. V\u00ec v\u1eady, \u0111\u1ed9c l\u1ef1c li\u00ean quan nguy c\u01a1 nh\u1eadp vi\u1ec7n c\u1ee7a ch\u00fang gi\u1ed1ng nhau. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng b\u1edfi nhi\u1ec1u qu\u1ed1c gia c\u00f3 s\u1ef1 xu\u1ea5t hi\u1ec7n h\u00e0ng lo\u1ea1t ca nhi\u1ec5m BA.1, BA.2\u201d.<\/p>\n

Tr\u00ean th\u1ef1c t\u1ebf, m\u1eb7c d\u00f9 s\u1ed1 ca m\u1eafc Covid-19 t\u0103ng v\u1ecdt \u1edf nhi\u1ec1u n\u01a1i, t\u1ef7 l\u1ec7 t\u1eed vong l\u1ea1i gi\u1ea3m m\u1ea1nh. C\u00e1c khu v\u1ef1c kh\u00e1c b\u00e1o c\u00e1o s\u1ed1 ca m\u1eafc gi\u1ea3m nh\u01b0 \u0111\u00f4ng \u0110\u1ecba Trung H\u1ea3i, d\u00f9 \u0111\u00e3 ch\u1ee9ng ki\u1ebfn \u200b\u200bm\u1ee9c t\u0103ng 38% s\u1ed1 ca t\u1eed vong. T\u1ea1i ch\u00e2u \u00c2u, b\u1ec7nh nh\u00e2n m\u1edbi c\u0169ng t\u0103ng th\u00eam 2% nh\u01b0ng s\u1ed1 ng\u01b0\u1eddi qua \u0111\u1eddi kh\u00f4ng thay \u0111\u1ed5i.<\/p>\n

D\u00f9 v\u1eady, v\u1eabn c\u00f3 m\u1ed9t s\u1ed1 khu v\u1ef1c l\u01b0\u1ee3ng ng\u01b0\u1eddi qua \u0111\u1eddi v\u00ec Covid-19 t\u0103ng cao. T\u00e2y Th\u00e1i B\u00ecnh D\u01b0\u01a1ng l\u00e0 tr\u01b0\u1eddng h\u1ee3p \u0111i\u1ec3n h\u00ecnh nh\u1ea5t v\u1edbi s\u1ed1 ca m\u1eafc t\u0103ng 25%, s\u1ed1 ca t\u1eed vong t\u0103ng 27% sau m\u1ed7i tu\u1ea7n. Ch\u00e2u Phi ch\u1ee9ng ki\u1ebfn \u200b\u200bs\u1ed1 ca m\u1eafc m\u1edbi t\u0103ng 12% v\u00e0 s\u1ed1 ca t\u1eed vong t\u0103ng 14%.<\/p>\n

\"Bien
Nh\u00e2n vi\u00ean y t\u1ebf b\u1ecf \u1ed1ng ti\u00eam vaccine Covid-19 \u0111\u00e3 qua s\u1eed d\u1ee5ng v\u00e0o h\u1ed9p \u0111\u1ef1ng.\u00a0<\/figcaption><\/figure>\n

\u201c\u0110\u1ea1i d\u1ecbch v\u1eabn ch\u01b0a th\u1ec3 k\u1ebft th\u00fac\u201d<\/strong><\/p>\n

Theo TS Maria Van Kerkhove, y\u1ebfu t\u1ed1 ch\u00ednh khi\u1ebfn c\u00e1c ca b\u1ec7nh tr\u00ean to\u00e0n c\u1ea7u gia t\u0103ng \u0111\u00f3 l\u00e0 BA.2 d\u1ec5 l\u00e2y lan h\u01a1n. \u201cOmicron \u0111ang lan truy\u1ec1n \u1edf c\u1ea5p \u0111\u1ed9 r\u1ea5t m\u1ea1nh tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi. C\u00e1c d\u00f2ng ph\u1ee5 c\u1ee7a ch\u1ee7ng n\u00e0y l\u00e0 BA.1, BA.2, trong \u0111\u00f3, BA.2 l\u00e2y lan nhanh h\u01a1n v\u00e0 \u0111\u00e2y l\u00e0 bi\u1ebfn ch\u1ee7ng d\u1ec5 l\u00e2y truy\u1ec1n nh\u1ea5t m\u00e0 ch\u00fang t\u00f4i t\u1eebng ch\u1ee9ng ki\u1ebfn\u201d, v\u1ecb chuy\u00ean gia c\u1ea3nh b\u00e1o.<\/p>\n

Trong 30 ng\u00e0y qua, h\u01a1n 400.000 tr\u00ecnh t\u1ef1 gene \u0111\u01b0\u1ee3c l\u1ea5y m\u1eabu cho th\u1ea5y 99,9% l\u00e0 Omicron. \u0110\u1eb7c bi\u1ec7t, 75% l\u00e0 nhi\u1ec5m bi\u1ebfn ch\u1ee7ng BA.2.<\/p>\n

\u201cCh\u00fang t\u00f4i kh\u00f4ng th\u1ea5y s\u1ef1 gia t\u0103ng m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng v\u1edbi BA.2. Tuy nhi\u00ean, v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c ca m\u1eafc m\u1edbi, s\u1ed1 ca nh\u1eadp vi\u1ec7n ng\u00e0y c\u00e0ng t\u0103ng v\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 th\u1ea5y \u0111i\u1ec1u n\u00e0y lan t\u1eeb n\u01b0\u1edbc n\u00e0y sang n\u01b0\u1edbc kh\u00e1c\u201d, TS Van Kerkhove n\u00f3i th\u00eam.<\/p>\n

Chuy\u00ean gia c\u1ee7a WHO kh\u1eb3ng \u0111\u1ecbnh \u0111\u1ea1i d\u1ecbch Covid-19 v\u1eabn ch\u01b0a k\u1ebft th\u00fac nh\u01b0 nhi\u1ec1u th\u00f4ng tin \u0111ang lan truy\u1ec1n. Omicron hay BA.2 c\u0169ng kh\u00f4ng ph\u1ea3i l\u00e0 bi\u1ebfn ch\u1ee7ng cu\u1ed1i c\u00f9ng m\u00e0 ch\u00fang ta ph\u1ea3i \u0111\u1ed1i m\u1eb7t.<\/p>\n

nCoV v\u1eabn l\u00e0 virus \u201cr\u1ea5t kh\u1ecfe\u201d v\u00e0 di chuy\u1ec3n d\u1ec5 d\u00e0ng. Trong b\u1ed1i c\u1ea3nh kh\u1ea3 n\u0103ng mi\u1ec5n d\u1ecbch suy gi\u1ea3m v\u00e0 vaccine kh\u00f4ng ph\u1ea3i \u201cvi\u00ean \u0111\u1ea1n b\u1ea1c\u201d b\u1ea3o v\u1ec7 100%, SARS-CoV-2 c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c lan r\u1ed9ng kh\u1eafp th\u1ebf gi\u1edbi.<\/p>\n

(Theo Guardian)\u00a0<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

\u201cD\u1ef1a tr\u00ean nh\u1eefng con s\u1ed1 v\u00e0 ki\u1ec3u \u0111\u1ed9t bi\u1ebfn, Omicron l\u00e0 bi\u1ebfn ch\u1ee7ng t\u1ec7 nh\u1ea5t t\u1eeb tr\u01b0\u1edbc t\u1edbi nay. N\u00f3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n l\u1ea7n \u0111\u1ea7u ti\u00ean \u1edf Nam Phi v\u00e0o \u0111\u1ea7u th\u00e1ng 11. Hai tu\u1ea7n sau, c\u00e1c tr\u01b0\u1eddng h\u1ee3p m\u1edbi \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh \u1edf nhi\u1ec1u n\u01a1i tr\u00ean th\u1ebf gi\u1edbi nh\u01b0 Hong Kong (Trung Qu\u1ed1c), B\u1ec9, […]<\/p>\n","protected":false},"author":9,"featured_media":597151,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[28],"tags":[149937],"topics":[130115],"longform":[],"members":[],"story":[],"thematic":[],"_links":{"self":[{"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/posts\/597145"}],"collection":[{"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/comments?post=597145"}],"version-history":[{"count":1,"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/posts\/597145\/revisions"}],"predecessor-version":[{"id":597152,"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/posts\/597145\/revisions\/597152"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/media\/597151"}],"wp:attachment":[{"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/media?parent=597145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/categories?post=597145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/tags?post=597145"},{"taxonomy":"topics","embeddable":true,"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/topics?post=597145"},{"taxonomy":"longform","embeddable":true,"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/longform?post=597145"},{"taxonomy":"members","embeddable":true,"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/members?post=597145"},{"taxonomy":"story","embeddable":true,"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/story?post=597145"},{"taxonomy":"thematic","embeddable":true,"href":"https:\/\/m.canhco.net\/wp-json\/wp\/v2\/thematic?post=597145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}