{"id":2830,"date":"2021-09-17T09:51:51","date_gmt":"2021-09-17T02:51:51","guid":{"rendered":"http:\/\/vitamin.demo.xemwebmau.com\/?p=2830"},"modified":"2021-09-17T09:51:51","modified_gmt":"2021-09-17T02:51:51","slug":"bien-the-delta-coronavirus-chiu-anh-huong-cua-vac-xin-covid-19-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/vitamin.webmaudep.net\/?p=2830","title":{"rendered":"Bi\u1ebfn th\u1ec3 Delta Coronavirus ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a V\u1eafc xin Covid 19 nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"

Bi\u1ebfn th\u1ec3 Delta Coronavirus ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a V\u1eafc xin Covid 19 nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h2>\n

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D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch V\u1eafc xin COVID-19 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi c\u00e1c bi\u1ebfn th\u1ec3 Delta<\/p>\n

C\u00e1c tr\u01b0\u1eddng h\u1ee3p COVID-19 \u0111ang gia t\u0103ng \u1edf Hoa K\u1ef3 v\u00e0 bi\u1ebfn th\u1ec3 Delta \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh \u1edf t\u1ea5t c\u1ea3 50 ti\u1ec3u bang.<\/p>\n

Bi\u1ebfn th\u1ec3 Delta hi\u1ec7n l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra h\u01a1n 98% ca nhi\u1ec5m coronavirus m\u1edbi \u1edf Hoa K\u1ef3 v\u00e0 \u0111\u00e3 c\u00f3 s\u1ef1 gia t\u0103ng s\u1ed1 ca nh\u1eadp vi\u1ec7n.<\/p>\n

M\u1eb7c d\u00f9 v\u1eafc-xin cung c\u1ea5p c\u00e1c ph\u1ea1m vi b\u1ea3o v\u1ec7 kh\u00e1c nhau, c\u00e1c chuy\u00ean gia cho r\u1eb1ng vi\u1ec7c ti\u00eam ch\u1ee7ng \u0111\u1ea7y \u0111\u1ee7 l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n

Hoa K\u1ef3 hi\u1ec7n \u0111ang \u0111\u1ed1i ph\u00f3 v\u1edbi bi\u1ebfn th\u1ec3 Delta c\u1ee7a coronavirus, m\u1ed9t bi\u1ebfn th\u1ec3 r\u1ea5t d\u1ec5 l\u00e2y lan \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u1ea7n \u0111\u1ea7u ti\u00ean \u1edf \u1ea4n \u0110\u1ed9 v\u00e0o th\u00e1ng 12.<\/p>\n

C\u0169ng nh\u01b0 c\u00e1c bi\u1ebfn th\u1ec3 tr\u01b0\u1edbc \u0111\u00f3, bi\u1ebfn th\u1ec3 Delta \u0111\u00e3 lan r\u1ed9ng ra nhi\u1ec1u qu\u1ed1c gia tr\u00ean th\u1ebf gi\u1edbi, bao g\u1ed3m, \u0111\u00e1ng ch\u00fa \u00fd nh\u1ea5t l\u00e0 V\u01b0\u01a1ng qu\u1ed1c Anh, n\u01a1i xu\u1ea5t hi\u1ec7n kho\u1ea3ng 99% c\u00e1c tr\u01b0\u1eddng h\u1ee3p m\u1edbi l\u00e0 do ch\u1ee7ng Delta.<\/p>\n

Hoa K\u1ef3 l\u1ea7n \u0111\u1ea7u ti\u00ean th\u00f4ng b\u00e1o r\u1eb1ng h\u1ecd \u0111\u00e3 c\u00f3 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p COVID-19 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn v\u1edbi bi\u1ebfn th\u1ec3 Delta v\u00e0o th\u00e1ng 3 n\u0103m nay. Hi\u1ec7n n\u00f3 l\u00e0 bi\u1ebfn th\u1ec3 th\u1ed1ng tr\u1ecb tr\u00ean to\u00e0n qu\u1ed1c, chi\u1ebfm h\u01a1n 98% t\u1ed5ng s\u1ed1 ca nhi\u1ec5m m\u1edbi trong c\u1ea3 n\u01b0\u1edbc.<\/p>\n

C\u00e1c tr\u01b0\u1eddng h\u1ee3p COVID-19 \u0111ang nhanh ch\u00f3ng t\u0103ng tr\u1edf l\u1ea1i \u1edf Hoa K\u1ef3. S\u1ed1 ca COVID-19 trung b\u00ecnh h\u00e0ng ng\u00e0y l\u00e0 h\u01a1n 150.000, theo s\u1ed1 li\u1ec7u t\u1eeb Trung t\u00e2m Ki\u1ec3m so\u00e1t v\u00e0 Ph\u00f2ng ng\u1eeba D\u1ecbch b\u1ec7nh (CDC).<\/p>\n

\"bi\u1ebfn<\/p>\n

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T\u1ec9 l\u1ec7 ti\u00eam v\u1eafc xin th\u1ea5p l\u00e0m t\u0103ng nguy c\u01a1 nhi\u1ec5m Virus<\/em><\/h3>\n

\u201cD\u00e2n s\u1ed1 ch\u01b0a \u0111\u01b0\u1ee3c ti\u00eam ph\u00f2ng c\u00f3 nguy c\u01a1 nhi\u1ec5m b\u1ec7nh cao. N\u1ebfu bi\u1ebfn th\u1ec3 n\u00e0y ti\u1ebfp t\u1ee5c di chuy\u1ec3n nhanh ch\u00f3ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf c\u00e1c khu v\u1ef1c c\u00f3 t\u1ef7 l\u1ec7 ti\u00eam ch\u1ee7ng th\u1ea5p, Hoa K\u1ef3 c\u00f3 th\u1ec3 ch\u1ee9ng ki\u1ebfn \u200b\u200bs\u1ef1 gia t\u0103ng nhi\u1ec5m SARS-CoV-2, \u201dTi\u1ebfn s\u0129 Miriam Smith, tr\u01b0\u1edfng khoa b\u1ec7nh truy\u1ec1n nhi\u1ec5m t\u1ea1i B\u1ec7nh vi\u1ec7n Long Island Forest Hills Teaching t\u1ea1i Queens, Th\u00e0nh ph\u1ed1 New York.<\/p>\n

Gi\u00e1m \u0111\u1ed1c CDC, Ti\u1ebfn s\u0129 Rochelle Walensky \u0111\u00e3 \u0111\u01b0a ra c\u1ea3nh b\u00e1o v\u1ec1 s\u1ef1 \u0111\u1ed9t bi\u1ebfn ti\u1ec1m n\u0103ng n\u00e0y v\u00e0o \u0111\u1ea7u th\u00e1ng n\u00e0y.<\/p>\n

Trong m\u1ed9t cu\u1ed9c h\u1ecdp b\u00e1o, b\u00e0 cho bi\u1ebft d\u1eef li\u1ec7u s\u01a1 b\u1ed9 cho th\u1ea5y 99,5% s\u1ed1 ng\u01b0\u1eddi ch\u1ebft v\u00ec COVID-19 k\u1ec3 t\u1eeb th\u00e1ng Gi\u00eang l\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c ti\u00eam ch\u1ee7ng.<\/p>\n

B\u00e0 n\u00f3i: \u201cCh\u00fang t\u00f4i bi\u1ebft r\u1eb1ng bi\u1ebfn th\u1ec3 Delta\u2026 hi\u1ec7n \u0111ang t\u0103ng m\u1ea1nh trong khu v\u1ef1c v\u1edbi t\u1ef7 l\u1ec7 ti\u00eam ch\u1ee7ng th\u1ea5p.<\/p>\n

\u1ede Missouri, n\u01a1i c\u00f3 t\u1ef7 l\u1ec7 ti\u00eam ch\u1ee7ng g\u1ea7n 43%, c\u00e1c ca nhi\u1ec5m coronavirus \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn \u0111\u00e3 t\u0103ng m\u1ea1nh v\u00e0o th\u00e1ng B\u1ea3y.<\/p>\n

Ng\u01b0\u1ee3c l\u1ea1i, Vermont hi\u1ec7n c\u00f3 m\u1ed9t trong nh\u1eefng t\u1ef7 l\u1ec7 ti\u00eam ch\u1ee7ng cao nh\u1ea5t trong c\u1ea3 n\u01b0\u1edbc v\u1edbi 69%, t\u1ec9 l\u1ec7 ca nhi\u1ec5m th\u1ea5p nh\u1ea5t.<\/p>\n

\u0110i\u1ec1u n\u00e0y l\u1eb7p l\u1ea1i c\u00e1c ph\u00e1t hi\u1ec7n t\u1eeb m\u1ed9t nghi\u00ean c\u1ee9u c\u1ee7a V\u01b0\u01a1ng qu\u1ed1c Anh<\/p>\n

Walensky n\u00f3i: \u201cCh\u00fang t\u00f4i c\u0169ng bi\u1ebft r\u1eb1ng v\u1eafc xin \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n c\u1ee7a ch\u00fang t\u00f4i ng\u0103n ng\u1eeba b\u1ec7nh n\u1eb7ng, nh\u1eadp vi\u1ec7n v\u00e0 t\u1eed vong do bi\u1ebfn th\u1ec3 Delta.<\/p>\n

Ti\u1ebfn s\u0129 Theodore Strange, B\u1ec7nh vi\u1ec7n \u0110\u1ea1i h\u1ecdc Staten Island \u1edf New York, cho bi\u1ebft d\u1eef li\u1ec7u h\u1ed7 tr\u1ee3 \u0111i\u1ec1u n\u00e0y.<\/p>\n

\u201cT\u00ednh an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c lo\u1ea1i v\u1eafc xin hi\u1ec7n nay l\u00e0 r\u1ea5t r\u00f5 r\u00e0ng. Ba lo\u1ea1i v\u1eafc xin n\u00e0y c\u00f3 t\u00e1c d\u1ee5ng ng\u0103n ng\u1eeba b\u1ec7nh t\u1eadt v\u00e0 s\u1ef1 l\u00e2y lan c\u1ee7a d\u1ecbch b\u1ec7nh, v\u00e0 ch\u00fang an to\u00e0n<\/a> nh\u01b0 b\u1ea5t k\u1ef3 lo\u1ea1i v\u1eafc xin n\u00e0o kh\u00e1c \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. M\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 t\u00e1c d\u1ee5ng ph\u1ee5 \u0111\u00e3 \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o, nh\u01b0ng nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y r\u1ea5t hi\u1ebfm v\u00e0 c\u00f3 th\u1ec3 \u0111i\u1ec1u tr\u1ecb \u0111\u01b0\u1ee3c, \u201d\u00f4ng n\u00f3i v\u1edbi Healthline.<\/p>\n

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Hi\u1ec7u qu\u1ea3 c\u1ee7a V\u1eafc xin v\u1edbi bi\u1ebfn th\u1ec3 Delta<\/strong><\/em><\/h3>\n

C\u1ea3 ba lo\u1ea1i v\u1eafc-xin \u0111\u1ec1u \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 c\u00f3 hi\u1ec7u qu\u1ea3 \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau \u0111\u1ed1i v\u1edbi bi\u1ebfn th\u1ec3 ban \u0111\u1ea7u c\u1ee7a coronavirus, SARS-CoV-2, g\u00e2y ra COVID-19.<\/p>\n

Tuy nhi\u00ean, k\u1ec3 t\u1eeb khi bi\u1ebfn th\u1ec3 Delta xu\u1ea5t hi\u1ec7n, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 c\u1ed1 g\u1eafng x\u00e1c \u0111\u1ecbnh xem li\u1ec7u nh\u1eefng lo\u1ea1i v\u1eafc xin n\u00e0y c\u00f3 hi\u1ec7u qu\u1ea3 ch\u1ed1ng l\u1ea1i n\u00f3 hay kh\u00f4ng.<\/p>\n

Do nghi\u00ean c\u1ee9u c\u00f2n h\u1ea1n ch\u1ebf cho \u0111\u1ebfn nay, vi\u1ec7c c\u1ed1 g\u1eafng x\u00e1c \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 c\u1ee7a t\u1eebng lo\u1ea1i v\u1eafc xin ch\u1ed1ng l\u1ea1i bi\u1ebfn th\u1ec3 Delta v\u1eabn c\u00f2n l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c. Tuy nhi\u00ean, \u0111\u00e3 c\u00f3 nh\u1eefng k\u1ebft qu\u1ea3 \u0111\u1ea7y h\u1ee9a h\u1eb9n t\u1eeb nhi\u1ec1u nghi\u00ean c\u1ee9u.<\/p>\n

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Nghi\u00ean c\u1ee9u 1 v\u00e0 d\u1eef li\u1ec7u th\u1ef1c t\u1ebf<\/strong><\/em><\/h3>\n

Theo m\u1ed9t ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi Public Health England, hai li\u1ec1u v\u1eafc-xin Pfizer-BioNTech d\u01b0\u1eddng nh\u01b0 c\u00f3 hi\u1ec7u qu\u1ea3 kho\u1ea3ng 88% \u0111\u1ed1i v\u1edbi b\u1ec7nh c\u00f3 tri\u1ec7u ch\u1ee9ng v\u00e0 96% hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi vi\u1ec7c nh\u1eadp vi\u1ec7n v\u1edbi bi\u1ebfn th\u1ec3 Delta.<\/p>\n

Nghi\u00ean c\u1ee9u t\u01b0\u01a1ng t\u1ef1 cho th\u1ea5y r\u1eb1ng v\u1eafc-xin n\u00e0y c\u00f3 hi\u1ec7u qu\u1ea3 kho\u1ea3ng 80% trong vi\u1ec7c ng\u0103n ng\u1eeba nhi\u1ec5m t\u1eeb bi\u1ebfn th\u1ec3 Delta. C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u01b0a ra k\u1ebft lu\u1eadn n\u00e0y sau khi ph\u00e2n t\u00edch 14.019 ng\u01b0\u1eddi b\u1ecb nhi\u1ec5m virus, 166 ng\u01b0\u1eddi ph\u1ea3i nh\u1eadp vi\u1ec7n, \u1edf Anh.<\/p>\n

Nghi\u00ean c\u1ee9u cho th\u1ea5y v\u1eafc-xin c\u00f3 t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i nhi\u1ec5m Delta v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p b\u1ec7nh vi\u1ec7n nh\u1eb9 h\u01a1n.<\/p>\n

Y t\u1ebf C\u00f4ng c\u1ed9ng Anh c\u0169ng \u0111\u00e3 chia s\u1ebb d\u1eef li\u1ec7u th\u1ef1c t\u1ebf v\u00e0o th\u00e1ng 5, c\u1ee7ng c\u1ed1 t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ti\u00eam li\u1ec1u th\u1ee9 hai c\u1ee7a v\u1eafc-xin COVID-19. Ph\u00e2n t\u00edch cho th\u1ea5y r\u1eb1ng m\u1ed9t li\u1ec1u v\u1eafc-xin Pfizer-BioNTech ch\u1ec9 cung c\u1ea5p kho\u1ea3ng 33% kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 kh\u1ecfi b\u1ec7nh c\u00f3 tri\u1ec7u ch\u1ee9ng.<\/p>\n

\u0110\u00e2y l\u00e0 m\u1ee9c gi\u1ea3m so v\u1edbi 50% hi\u1ec7u qu\u1ea3 \u01b0\u1edbc t\u00ednh tr\u01b0\u1edbc \u0111\u00f3 so v\u1edbi bi\u1ebfn th\u1ec3 alpha.<\/p>\n

Nghi\u00ean c\u1ee9u c\u0169ng cho th\u1ea5y v\u1eafc-xin Pfizer-BioNTech c\u00f3 hi\u1ec7u qu\u1ea3 88% \u0111\u1ed1i v\u1edbi bi\u1ebfn th\u1ec3 Delta 2 tu\u1ea7n sau li\u1ec1u th\u1ee9 hai.<\/p>\n

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Nghi\u00ean c\u1ee9u 2<\/strong><\/em><\/h3>\n

M\u1ed9t b\u00e1o c\u00e1o \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Nature \u0111\u00e3 ph\u1ea3n \u00e1nh nh\u1eefng ph\u00e1t hi\u1ec7n r\u1eb1ng m\u1ed9t m\u0169i v\u1eafc-xin hai li\u1ec1u \u0111\u01a1n nh\u01b0 Pfizer-BioNTech ho\u1eb7c AstraZeneca \u201ch\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3\u201d b\u1ea5t k\u1ef3 s\u1ef1 b\u1ea3o v\u1ec7 n\u00e0o.<\/p>\n

Tuy nhi\u00ean, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u0169ng b\u00e1o c\u00e1o r\u1eb1ng nh\u1eefng ng\u01b0\u1eddi \u0111\u00e3 ti\u00eam hai li\u1ec1u v\u1eafc-xin c\u00f3 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i s\u1ef1 l\u00e2y nhi\u1ec5m v\u1edbi bi\u1ebfn th\u1ec3 Delta cao h\u01a1n \u0111\u00e1ng k\u1ec3, v\u1edbi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u01b0\u1edbc t\u00ednh m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 l\u00e0 95%.<\/p>\n

Nghi\u00ean c\u1ee9u c\u0169ng ph\u00e1t hi\u1ec7n ra r\u1eb1ng bi\u1ebfn th\u1ec3 Delta \u00edt nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi \u201chuy\u1ebft thanh t\u1eeb nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c mi\u1ec5n d\u1ecbch t\u1ef1 nhi\u00ean\u201d, c\u00f3 ngh\u0129a l\u00e0 nh\u1eefng ng\u01b0\u1eddi \u0111\u00e3 t\u1eebng b\u1ecb nhi\u1ec5m tr\u00f9ng c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 \u0111\u1ec3 ch\u1ed1ng l\u1ea1i s\u1ef1 t\u00e1i nhi\u1ec5m v\u1edbi bi\u1ebfn th\u1ec3 Delta.<\/p>\n

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Nghi\u00ean c\u1ee9u 3<\/strong><\/em><\/h3>\n

Trong khi \u0111\u00f3, m\u1ed9t nghi\u00ean c\u1ee9u \u1edf Canada \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng hai li\u1ec1u v\u1eafc-xin COVID-19 c\u00f3 t\u00e1c d\u1ee5ng ch\u1ed1ng l\u1ea1i bi\u1ebfn th\u1ec3 Delta gi\u1ed1ng nh\u01b0 v\u1edbi alpha. N\u00f3 v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 ngang h\u00e0ng.<\/p>\n

Nghi\u00ean c\u1ee9u cho th\u1ea5y v\u1eafc xin Pfizer-BioNTech c\u00f3 hi\u1ec7u qu\u1ea3 kho\u1ea3ng 87% trong 14 ng\u00e0y sau hai li\u1ec1u.<\/p>\n

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Nghi\u00ean c\u1ee9u 4<\/strong><\/em><\/h3>\n

M\u1ed9t nghi\u00ean c\u1ee9u \u1edf Scotland c\u0169ng cho th\u1ea5y k\u1ebft qu\u1ea3 t\u01b0\u01a1ng t\u1ef1. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u k\u1ebft lu\u1eadn r\u1eb1ng v\u1eafc-xin Pfizer-BioNTech cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 \u201cr\u1ea5t t\u1ed1t\u201d ch\u1ed1ng l\u1ea1i bi\u1ebfn th\u1ec3 Delta v\u00e0 ch\u1ee9ng minh hi\u1ec7u qu\u1ea3 79% trong 14 ng\u00e0y sau khi nh\u1eadn li\u1ec1u th\u1ee9 hai.<\/p>\n

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Nghi\u00ean c\u1ee9u 5<\/strong><\/em><\/h3>\n

M\u1ed9t nghi\u00ean c\u1ee9u \u1edf Israel kh\u00e1c l\u1ea1 h\u01a1n v\u00e0 ph\u00e1t hi\u1ec7n ra r\u1eb1ng v\u1eafc-xin Pfizer-BioNTech kh\u00f4ng mang l\u1ea1i kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 cao nh\u01b0 \u01b0\u1edbc t\u00ednh tr\u01b0\u1edbc \u0111\u00e2y. Nghi\u00ean c\u1ee9u cho th\u1ea5y v\u1eafc-xin n\u00e0y c\u00f3 hi\u1ec7u qu\u1ea3 kho\u1ea3ng 64% trong vi\u1ec7c ng\u0103n ng\u1eeba nhi\u1ec5m tr\u00f9ng v\u1edbi bi\u1ebfn th\u1ec3 Delta v\u00e0 64% hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi b\u1ec7nh c\u00f3 tri\u1ec7u ch\u1ee9ng sau hai li\u1ec1u.<\/p>\n

Nh\u01b0ng c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng d\u1eef li\u1ec7u \u0111\u1ea7y \u0111\u1ee7 v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 v\u00e0 n\u00f3 c\u00f3 th\u1ec3 bao g\u1ed3m c\u00e1c ca nhi\u1ec5m kh\u00f4ng c\u00f3 tri\u1ec7u ch\u1ee9ng<\/a> do ch\u01b0\u01a1ng tr\u00ecnh gi\u00e1m s\u00e1t c\u1ee7a Israel thu th\u1eadp.<\/p>\n

 <\/p>\n

Nghi\u00ean c\u1ee9u 6<\/strong><\/em><\/h3>\n

M\u1ed9t nghi\u00ean c\u1ee9u ph\u00e2n t\u00edch hi\u1ec7u qu\u1ea3 c\u1ee7a v\u1eafc-xin \u1edf \u1ea4n \u0110\u1ed9, n\u01a1i bi\u1ebfn th\u1ec3 Delta xu\u1ea5t hi\u1ec7n l\u1ea7n \u0111\u1ea7u ti\u00ean, cho th\u1ea5y v\u1eafc-xin Pfizer-BioNTech c\u00f3 hi\u1ec7u qu\u1ea3 88% so v\u1edbi bi\u1ebfn th\u1ec3 Delta sau hai li\u1ec1u.<\/p>\n

Tuy nhi\u00ean, hi\u1ec7u qu\u1ea3 th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 sau m\u1ed9t li\u1ec1u v\u1eafc-xin, v\u00e0o kho\u1ea3ng 36%.<\/p>\n

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Nghi\u00ean c\u1ee9u 7<\/strong><\/em><\/h3>\n

M\u1ed9t nghi\u00ean c\u1ee9u c\u1ee7a Hoa K\u1ef3, v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 ngang h\u00e0ng, cho th\u1ea5y r\u1eb1ng hi\u1ec7u qu\u1ea3 c\u1ee7a v\u1eafc-xin Pfizer \u0111\u00e3 gi\u1ea3m so v\u1edbi bi\u1ebfn th\u1ec3 Delta.<\/p>\n

D\u1eef li\u1ec7u cho th\u1ea5y v\u1eafc-xin cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 42% ch\u1ed1ng l\u1ea1i nhi\u1ec5m tr\u00f9ng c\u00f3 tri\u1ec7u ch\u1ee9ng v\u1edbi bi\u1ebfn th\u1ec3 Delta v\u00e0o th\u00e1ng 7, so v\u1edbi h\u01a1n 76% v\u00e0o th\u00e1ng 1.<\/p>\n

Nghi\u00ean c\u1ee9u c\u0169ng l\u01b0u \u00fd r\u1eb1ng nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ti\u00eam ch\u1ee7ng Pfizer c\u00f3 nguy c\u01a1 b\u1ecb \u201cnhi\u1ec5m \u0111\u1ed9t ph\u00e1\u201d cao g\u1ea5p \u0111\u00f4i so v\u1edbi v\u1eafc xin Moderna.<\/p>\n

 <\/p>\n

Nghi\u00ean c\u1ee9u 8<\/strong><\/em><\/h3>\n

M\u1ed9t nghi\u00ean c\u1ee9u c\u1ee7a \u0110\u1ea1i h\u1ecdc Oxford v\u1ec1 t\u00e1c \u0111\u1ed9ng c\u1ee7a bi\u1ebfn th\u1ec3 delta \u0111\u1ed1i v\u1edbi hi\u1ec7u qu\u1ea3 c\u1ee7a v\u1eafc-xin COVID-19 cho th\u1ea5y r\u1eb1ng hai li\u1ec1u v\u1eafc-xin Pfizer ho\u1eb7c AstraZeneca v\u1eabn cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 \u0111\u00e1ng k\u1ec3 ch\u1ed1ng l\u1ea1i s\u1ef1 l\u00e2y nhi\u1ec5m<\/a> v\u1edbi bi\u1ebfn th\u1ec3 ph\u1ed5 bi\u1ebfn hi\u1ec7n nay nh\u01b0ng \u0111i\u1ec1u n\u00e0y s\u1ebd m\u1ea5t d\u1ea7n trong v\u00f2ng ba th\u00e1ng.<\/p>\n

Nghi\u00ean c\u1ee9u ch\u1ec9 ra r\u1eb1ng hi\u1ec7u qu\u1ea3 c\u1ee7a v\u1eafc-xin Pfizer trong 90 ng\u00e0y sau li\u1ec1u th\u1ee9 hai gi\u1ea3m xu\u1ed1ng 75%, so v\u1edbi 85% sau li\u1ec1u th\u1ee9 hai. Tuy nhi\u00ean, s\u1ef1 suy gi\u1ea3m n\u00e0y r\u00f5 r\u00e0ng h\u01a1n \u1edf nh\u1eefng ng\u01b0\u1eddi tr\u00ean 35 tu\u1ed5i. Nghi\u00ean c\u1ee9u v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c b\u00ecnh duy\u1ec7t.<\/p>\n

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Nghi\u00ean c\u1ee9u 9<\/strong><\/em><\/h3>\n

M\u1ed9t nghi\u00ean c\u1ee9u Ngu\u1ed3n \u0111\u00e1ng tin c\u1eady, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 HEROES-RECOVER v\u00e0 \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n trong B\u00e1o c\u00e1o h\u00e0ng tu\u1ea7n v\u1ec1 b\u1ec7nh t\u1eadt v\u00e0 t\u1eed vong c\u1ee7a CDC, cho th\u1ea5y hi\u1ec7u qu\u1ea3 c\u1ee7a v\u1eafc-xin ch\u1ed1ng l\u1ea1i s\u1ef1 l\u00e2y nhi\u1ec5m c\u00f3 tri\u1ec7u ch\u1ee9ng v\u00e0 kh\u00f4ng tri\u1ec7u ch\u1ee9ng v\u1edbi bi\u1ebfn th\u1ec3 Delta \u0111\u00e3 gi\u1ea3m xu\u1ed1ng 66% t\u1eeb h\u01a1n 90%.<\/p>\n

Nghi\u00ean c\u1ee9u th\u1ef1c t\u1ebf \u0111\u00e3 th\u1eed nghi\u1ec7m tr\u00ean 4.000 c\u00f4ng nh\u00e2n ti\u1ec1n tr\u1ea1m c\u1ee7a Hoa K\u1ef3, h\u01a1n 4\/5 ng\u01b0\u1eddi \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u00eam v\u1eafc xin Pfizer-BioNTech ho\u1eb7c Modern.<\/p>\n

 <\/p>\n

\u0110\u00e3 \u0111\u1ebfn l\u00fac ti\u00eam v\u1eafc-xin COVID-19 t\u0103ng c\u01b0\u1eddng?<\/strong><\/em><\/h3>\n

Trong d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 v\u00e0o ng\u00e0y 28 th\u00e1ng 7, Pfizer cho bi\u1ebft li\u1ec1u th\u1ee9 ba c\u1ee7a v\u1eafc-xin COVID-19 \u0111\u00e3 “t\u0103ng c\u01b0\u1eddng” m\u1ea1nh m\u1ebd kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i bi\u1ebfn th\u1ec3 Delta so v\u1edbi ch\u1ebf \u0111\u1ed9 hai li\u1ec1u ti\u00eau chu\u1ea9n c\u1ee7a n\u00f3.<\/p>\n

Theo k\u1ebft qu\u1ea3 c\u1ee7a cu\u1ed9c th\u1eed nghi\u1ec7m, li\u1ec1u th\u1ee9 ba t\u1ea1o ra l\u01b0\u1ee3ng kh\u00e1ng th\u1ec3 ch\u1ed1ng l\u1ea1i bi\u1ebfn th\u1ec3 Delta nhi\u1ec1u g\u1ea5p 5 l\u1ea7n \u1edf nh\u1eefng ng\u01b0\u1eddi t\u1eeb 18 \u0111\u1ebfn 55 tu\u1ed5i v\u00e0 l\u01b0\u1ee3ng kh\u00e1ng th\u1ec3 nhi\u1ec1u h\u01a1n 11 l\u1ea7n \u1edf nh\u1eefng ng\u01b0\u1eddi t\u1eeb 65 \u0111\u1ebfn 85 tu\u1ed5i. Nghi\u00ean c\u1ee9u \u0111ang ch\u1edd \u0111\u00e1nh gi\u00e1 c\u1ee7a \u0111\u1ed3ng nghi\u1ec7p.<\/p>\n

D\u1eef li\u1ec7u \u0111\u00e3 th\u00fac \u0111\u1ea9y Israel tr\u1edf th\u00e0nh qu\u1ed1c gia \u0111\u1ea7u ti\u00ean qu\u1ea3n l\u00fd r\u1ed9ng r\u00e3i l\u1ea7n b\u1eafn th\u1ee9 ba. Hi\u1ec7n t\u1ea1i, nh\u1eefng ng\u01b0\u1eddi tr\u00ean 60 tu\u1ed5i \u0111ang \u0111\u01b0\u1ee3c g\u1ecdi \u0111\u1ec3 \u0111\u1eb7t l\u1ecbch h\u1eb9n.<\/p>\n

B\u1ed9 Y t\u1ebf Israel cho bi\u1ebft quy\u1ebft \u0111\u1ecbnh c\u0169ng t\u00ednh \u0111\u1ebfn d\u1eef li\u1ec7u c\u1ee7a ch\u00ednh h\u1ecd d\u1ef1a tr\u00ean s\u1ed1 li\u1ec7u th\u1ed1ng k\u00ea y t\u1ebf qu\u1ed1c gia, trong \u0111\u00f3 cho th\u1ea5y nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ti\u00eam ch\u1ee7ng v\u00e0o th\u00e1ng 4 d\u01b0\u1eddng nh\u01b0 c\u00f3 75% kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 kh\u1ecfi nhi\u1ec5m tr\u00f9ng, trong khi m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ti\u00eam ch\u1ee7ng v\u00e0o th\u00e1ng 1 gi\u1ea3m xu\u1ed1ng nh\u01b0 th\u1ea5p \u0111\u1ebfn 16%.<\/p>\n

Tuy nhi\u00ean, Smith n\u00f3i v\u1edbi Healthline r\u1eb1ng c\u00e1c lo\u1ea1i v\u1eafc xin hi\u1ec7n c\u00f3 \u0111\u00e3 c\u00f3 hi\u1ec7u qu\u1ea3 r\u1ed9ng r\u00e3i trong vi\u1ec7c ng\u0103n ng\u1eeba b\u1ec7nh n\u1eb7ng, bao g\u1ed3m c\u1ea3 nh\u1eefng lo\u1ea1i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh v\u1edbi c\u00e1c bi\u1ebfn th\u1ec3 hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c quan t\u00e2m.<\/p>\n

CDC cho \u0111\u1ebfn nay ch\u1ec9 khuy\u1ebfn ngh\u1ecb ph\u00e1c \u0111\u1ed3 3 m\u0169i ti\u00eam cho c\u00e1c nh\u00f3m d\u00e2n s\u1ed1 suy gi\u1ea3m mi\u1ec5n d\u1ecbch nh\u01b0 ng\u01b0\u1eddi gh\u00e9p t\u1ea1ng v\u00e0 b\u1ec7nh nh\u00e2n ung th\u01b0.<\/p>\n

 <\/p>\n

Ngu\u1ed3n: Here\u2019s How Well COVID-19 Vaccines Work Against the Delta Variant<\/strong><\/em><\/p>\n

https:\/\/www.healthline.com\/health-news\/heres-how-well-covid-19-vaccines-work-against-the-delta-variant<\/a><\/p>\n

Ng\u00e0y l\u1ea5y: 11\/9\/2021<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Bi\u1ebfn th\u1ec3 Delta Coronavirus ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a V\u1eafc xin Covid 19 nh\u01b0 th\u1ebf n\u00e0o?   D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch V\u1eafc xin COVID-19 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi c\u00e1c bi\u1ebfn th\u1ec3 Delta C\u00e1c tr\u01b0\u1eddng h\u1ee3p COVID-19 \u0111ang gia t\u0103ng \u1edf Hoa K\u1ef3 v\u00e0 bi\u1ebfn th\u1ec3 Delta \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh \u1edf t\u1ea5t c\u1ea3 50 […]\n","protected":false},"author":45,"featured_media":2831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[40,41,2],"tags":[731,732],"_links":{"self":[{"href":"https:\/\/vitamin.webmaudep.net\/index.php?rest_route=\/wp\/v2\/posts\/2830"}],"collection":[{"href":"https:\/\/vitamin.webmaudep.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vitamin.webmaudep.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vitamin.webmaudep.net\/index.php?rest_route=\/wp\/v2\/users\/45"}],"replies":[{"embeddable":true,"href":"https:\/\/vitamin.webmaudep.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2830"}],"version-history":[{"count":5,"href":"https:\/\/vitamin.webmaudep.net\/index.php?rest_route=\/wp\/v2\/posts\/2830\/revisions"}],"predecessor-version":[{"id":2836,"href":"https:\/\/vitamin.webmaudep.net\/index.php?rest_route=\/wp\/v2\/posts\/2830\/revisions\/2836"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vitamin.webmaudep.net\/index.php?rest_route=\/wp\/v2\/media\/2831"}],"wp:attachment":[{"href":"https:\/\/vitamin.webmaudep.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2830"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vitamin.webmaudep.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2830"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vitamin.webmaudep.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2830"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}