Ti\u00eam vaccine Covid-19 cho tr\u1ebb nh\u1ecf.<\/figcaption><\/figure>\nH\u00f4m 19\/1, C\u01a1 quan Khoa h\u1ecdc Y t\u1ebf (HSA) c\u1ee7a Singapore cho bi\u1ebft kh\u00f4ng c\u00f3 ph\u1ea3n \u1ee9ng ph\u1ee5 nghi\u00eam tr\u1ecdng n\u00e0o li\u00ean quan t\u1edbi vaccine Covid-19 trong chi\u1ebfn d\u1ecbch ti\u00eam ch\u1ee7ng cho tr\u1ebb 5-11 tu\u1ed5i t\u1ea1i n\u01b0\u1edbc n\u00e0y. T\u00ednh \u0111\u1ebfn h\u1ebft 31\/12\/2021, ch\u1ec9 c\u00f3 6 tr\u01b0\u1eddng h\u1ee3p c\u00f3 ph\u1ea3n \u1ee9ng ph\u1ee5, chi\u1ebfm t\u1ef7 l\u1ec7 r\u1ea5t nh\u1ecf 0,03% trong t\u1ed5ng s\u1ed1 20.327 li\u1ec1u vaccine \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u00eam. HSA nh\u1eadn \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o v\u1ec1 m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p tr\u1ebb c\u00f3 ph\u1ea3n \u1ee9ng ph\u1ee5 nh\u01b0 ph\u00e1t ban, ch\u00f3ng m\u1eb7t, s\u1ed1t v\u00e0 kh\u00f3 th\u1edf, nh\u01b0ng kh\u00f4ng nghi\u00eam tr\u1ecdng.<\/p>\n
\u0110\u1ed1i v\u1edbi tr\u1ebb tr\u00ean 12 tu\u1ed5i, HSA nh\u1eadn \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o v\u1ec1 1.170 tr\u01b0\u1eddng h\u1ee3p c\u00f3 ph\u1ea3n \u1ee9ng ph\u1ee5 (83 ca ph\u1ea3n \u1ee9ng nghi\u00eam tr\u1ecdng), chi\u1ebfm 0,18% trong t\u1ed5ng s\u1ed1 663.000 li\u1ec1u vaccine \u0111\u01b0\u1ee3c ti\u00eam.<\/p>\n
Trung t\u00e2m Ki\u1ec3m so\u00e1t v\u00e0 Ph\u00f2ng ng\u1eeba D\u1ecbch b\u1ec7nh (CDC) M\u1ef9 c\u0169ng cho bi\u1ebft tr\u1ebb em t\u1eeb 5 \u0111\u1ebfn 11 tu\u1ed5i ti\u00eam vaccine Pfizer hi\u1ebfm khi g\u1eb7p ph\u1ea3n \u1ee9ng ph\u1ee5 nghi\u00eam tr\u1ecdng. T\u00ednh \u0111\u1ebfn ng\u00e0y 19\/12\/2021, t\u1ee9c kho\u1ea3ng 6 tu\u1ea7n sau chi\u1ebfn d\u1ecbch ti\u00eam ch\u1ee7ng cho tr\u1ebb t\u1eeb 5 \u0111\u1ebfn 11 tu\u1ed5i, CDC cho bi\u1ebft h\u1ecd nh\u1eadn \u0111\u01b0\u1ee3c r\u1ea5t \u00edt b\u00e1o c\u00e1o v\u1ec1 c\u00e1c v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng. C\u01a1 quan \u0111\u00e3 \u0111\u00e1nh gi\u00e1 d\u1eef li\u1ec7u t\u1eeb b\u00e1c s\u0129, c\u1ed9ng \u0111\u1ed3ng, kh\u1ea3o s\u00e1t cha m\u1eb9 ho\u1eb7c ng\u01b0\u1eddi gi\u00e1m h\u1ed9 c\u1ee7a kho\u1ea3ng 43.000 tr\u1ebb \u1edf \u0111\u1ed9 tu\u1ed5i n\u00e0y.<\/p>\n
C\u00e1c em b\u1ecb \u0111au t\u1ea1i v\u00f9ng ti\u00eam, m\u1ec7t m\u1ecfi ho\u1eb7c nh\u1ee9c \u0111\u1ea7u, \u0111\u1eb7c bi\u1ec7t sau li\u1ec1u th\u1ee9 hai. Kho\u1ea3ng 13% b\u1ecb s\u1ed1t. Song c\u00e1c ca vi\u00eam c\u01a1 tim \u2013 t\u00e1c d\u1ee5ng ph\u1ee5 sau ti\u00eam vaccine Pfizer \u1edf m\u1ed9t s\u1ed1 thanh thi\u1ebfu ni\u00ean v\u00e0 ng\u01b0\u1eddi l\u1edbn \u2013 v\u1eabn r\u1ea5t hi\u1ebfm \u1edf tr\u1ebb nh\u1ecf. CDC nh\u1eadn \u0111\u01b0\u1ee3c 11 b\u00e1o c\u00e1o v\u1ec1 t\u00ecnh tr\u1ea1ng n\u00e0y t\u1eeb b\u00e1c s\u0129 v\u00e0 c\u1ed9ng \u0111\u1ed3ng. Trong \u0111\u00f3, 7 em \u0111\u00e3 b\u00ecnh ph\u1ee5c, 4 em \u0111ang trong qu\u00e1 tr\u00ecnh h\u1ed3i ph\u1ee5c, c\u01a1 quan cho bi\u1ebft. Theo CDC, t\u1ef7 l\u1ec7 vi\u00eam c\u01a1 tim do vaccine cao nh\u1ea5t \u1edf nam thanh thi\u1ebfu ni\u00ean, t\u1eeb 12 \u0111\u1ebfn 29 tu\u1ed5i. C\u00e1c c\u1ed1 v\u1ea5n c\u1ee7a c\u01a1 quan n\u00e0y k\u1ebft lu\u1eadn nguy c\u01a1 \u201cc\u00f3 th\u1ec3 th\u1ea5p h\u01a1n\u201d \u1edf tr\u1ebb nh\u1ecf so v\u1edbi thanh thi\u1ebfu ni\u00ean.<\/p>\n
Khi b\u1eaft \u0111\u1ea7u th\u1eed nghi\u1ec7m l\u00e2m s\u00e0ng vaccine v\u00e0o th\u00e1ng 3\/2020, Pfizer kh\u00f4ng tuy\u1ec3n t\u00ecnh nguy\u1ec7n vi\u00ean l\u00e0 tr\u1ebb em v\u00ec v\u1ea5n \u0111\u1ec1 \u0111\u1ea1o \u0111\u1ee9c. Ti\u1ebfn s\u0129 Christine Turley, chuy\u00ean gia khoa Nhi, ph\u00f3 ch\u1ee7 t\u1ecbch t\u1ea1i Vi\u1ec7n Nghi\u00ean c\u1ee9u Atrium Health Levine Children, M\u1ef9, cho bi\u1ebft tr\u1ebb em c\u00f3 c\u01a1 th\u1ec3 v\u00e0 h\u1ec7 mi\u1ec5n d\u1ecbch kh\u00e1c v\u1edbi ng\u01b0\u1eddi l\u1edbn. C\u00e1c nh\u00e0 khoa h\u1ecdc mu\u1ed1n t\u00ecm hi\u1ec3u k\u1ef9 v\u1ec1 c\u00e1c r\u1ee7i ro tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m tr\u00ean nh\u00f3m tu\u1ed5i n\u00e0y.<\/p>\n
T\u1eeb khi c\u00f3 th\u00eam d\u1eef li\u1ec7u v\u1ec1 vaccine, gi\u1edbi khoa h\u1ecdc \u0111\u00e3 m\u1edf r\u1ed9ng nghi\u00ean c\u1ee9u \u1edf tr\u1ebb t\u1eeb 6 th\u00e1ng \u0111\u1ebfn 12 tu\u1ed5i. Sau khi \u0111\u00e1nh gi\u00e1 v\u1ec1 li\u1ec1u l\u01b0\u1ee3ng, t\u00e1c d\u1ee5ng ph\u1ee5, t\u1ea7n su\u1ea5t v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng kh\u00e1c, c\u00e1c chuy\u00ean gia kh\u00f4ng ph\u00e1t hi\u1ec7n b\u1ea5t c\u1ee9 v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng n\u00e0o.<\/p>\n
M\u1ed9t s\u1ed1 ph\u1ee5 huynh v\u1eabn lo ng\u1ea1i do vaccine Covid-19 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n qu\u00e1 nhanh ch\u00f3ng. Tuy nhi\u00ean, ti\u1ebfn s\u0129 Turley nh\u1eadn \u0111\u1ecbnh th\u1eed nghi\u1ec7m l\u00e2m s\u00e0ng \u0111\u00e3 tu\u00e2n th\u1ee7 ch\u00ednh x\u00e1c c\u00e1c quy chu\u1ea9n an to\u00e0n. B\u00e0 n\u00f3i: \u201cC\u01a1 quan Qu\u1ea3n l\u00fd Th\u1ef1c ph\u1ea9m v\u00e0 D\u01b0\u1ee3c ph\u1ea9m (FDA) \u0111\u00e3 l\u00e0m vi\u1ec7c ch\u1eb7t ch\u1ebd v\u1edbi c\u00e1c chuy\u00ean gia \u0111\u1ec3 nghi\u00ean c\u1ee9u vaccine Covid-19. Thi\u1ebft l\u1eadp th\u1eed nghi\u1ec7m th\u00f4ng th\u01b0\u1eddng m\u1ea5t nhi\u1ec1u th\u1eddi gian, song t\u1eeb tr\u01b0\u1edbc khi c\u00f3 \u1ee9ng vi\u00ean vaccine, h\u1ecd \u0111\u00e3 th\u1ea3o lu\u1eadn v\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y\u201d.<\/p>\n
Ti\u1ebfn s\u0129 Purvi Parikh, nh\u00e0 d\u1ecb \u1ee9ng, mi\u1ec5n d\u1ecbch h\u1ecdc c\u1ee7a M\u1ea1ng l\u01b0\u1edbi D\u1ecb \u1ee9ng v\u00e0 Hen suy\u1ec5n cho r\u1eb1ng c\u00e1c b\u1eadc cha m\u1eb9 kh\u00f4ng n\u00ean qu\u00e1 e d\u00e8 v\u1edbi vaccine. \u201c\u0110\u1eebng lo ng\u1ea1i n\u1ebfu nh\u1eadn \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o ti\u00eam ch\u1ee7ng, b\u1edfi nguy c\u01a1 nhi\u1ec5m nCoV l\u1edbn h\u01a1n b\u1ea5t k\u1ef3 r\u1ee7i ro do vaccine n\u00e0o\u201d.<\/p>\n
Li\u1ec1u l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u qu\u1ea3 vaccine cho tr\u1ebb t\u1eeb 5 \u0111\u1ebfn 11 tu\u1ed5i<\/strong><\/p>\nTheo h\u01b0\u1edbng d\u1eabn t\u1eeb h\u00e3ng d\u01b0\u1ee3c Pfizer, tr\u1ebb t\u1eeb 5 \u0111\u1ebfn 11 tu\u1ed5i s\u1eed d\u1ee5ng vaccine v\u1edbi li\u1ec1u 10 microgam, b\u1eb1ng m\u1ed9t ph\u1ea7n ba so v\u1edbi ng\u01b0\u1eddi l\u1edbn v\u00e0 thanh thi\u1ebfu ni\u00ean. Li\u1ec1u th\u1ee9 hai ti\u00eam \u00edt nh\u1ea5t 8 tu\u1ea7n sau li\u1ec1u \u0111\u1ea7u ti\u00ean.<\/p>\n
C\u00e1c nh\u00e0 khoa h\u1ecdc nh\u1eadn \u0111\u1ecbnh tr\u1ebb em v\u1eabn c\u00f3 ph\u1ea3n \u1ee9ng mi\u1ec5n d\u1ecbch m\u1ea1nh m\u1ebd d\u00f9 li\u00eam vaccine li\u1ec1u th\u1ea5p. Tr\u00ean th\u1ef1c t\u1ebf, li\u1ec1u l\u01b0\u1ee3ng n\u00e0y th\u1eadm ch\u00ed ph\u00f9 h\u1ee3p v\u1edbi c\u1ea3 ng\u01b0\u1eddi l\u1edbn, theo ti\u1ebfn s\u0129 Robert Frenck, ch\u1ec9 \u0111\u1ea1o th\u1eed nghi\u1ec7m vaccine t\u1ea1i B\u1ec7nh vi\u1ec7n Nhi Cincinnati. \u0110i\u1ec1u n\u00e0y t\u01b0\u01a1ng \u0111\u1ed3ng v\u1edbi nh\u1eadn \u0111\u1ecbnh tr\u01b0\u1edbc \u0111\u00f3, r\u1eb1ng l\u01b0\u1ee3ng vaccine nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 t\u00e1c d\u1ee5ng cao \u1edf ng\u01b0\u1eddi n\u1eb7ng c\u00e2n h\u01a1n.<\/p>\n
Tr\u01b0\u1edbc \u0111\u00f3, ng\u00e0y 23\/10\/2021, Pfizer c\u00f4ng b\u1ed1 k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y vaccine c\u1ee7a h\u00e3ng hi\u1ec7u qu\u1ea3 h\u01a1n 90% \u1edf tr\u1ebb t\u1eeb 5 \u0111\u1ebfn 11 tu\u1ed5i.<\/p>\n
\u201cVaccine ng\u0103n ng\u1eeba c\u00e1c ca Covid-19 c\u00f3 tri\u1ec7u ch\u1ee9ng (\u00edt nh\u1ea5t 7 ng\u00e0y sau li\u1ec1u th\u1ee9 hai) \u1edf nh\u1eefng t\u00ecnh nguy\u1ec7n vi\u00ean ch\u01b0a t\u1eebng nhi\u1ec5m virus, hi\u1ec7u qu\u1ea3 l\u00e0 90,7%\u201d, theo t\u00e0i li\u1ec7u \u0111\u0103ng tr\u00ean trang web c\u1ee7a FDA.<\/p>\n
Li\u1ec1u l\u01b0\u1ee3ng vaccine d\u1ef1a tr\u00ean \u0111\u1ed9 tu\u1ed5i v\u00e0 h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch, kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e2n n\u1eb7ng. V\u00ec v\u1eady, tr\u1ebb qu\u00e1 c\u00e2n ho\u1eb7c th\u1ea5p c\u00f2i h\u01a1n so v\u1edbi c\u00e2n n\u1eb7ng trung b\u00ecnh v\u1eabn c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng vaccine b\u00ecnh th\u01b0\u1eddng.<\/p>\n
Theo ph\u00e2n t\u00edch t\u1eeb Nam Phi v\u00e0 Anh, vaccine Covid-19 v\u1eabn hi\u1ec7u qu\u1ea3 b\u1ea3o v\u1ec7 tr\u1ebb em tr\u01b0\u1edbc bi\u1ebfn ch\u1ee7ng Omicron. C\u00e1c chuy\u00ean gia nh\u1eadn \u0111\u1ecbnh c\u00e0ng nhi\u1ec1u ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ti\u00eam ch\u1ee7ng, nguy c\u01a1 xu\u1ea5t hi\u1ec7n bi\u1ebfn ch\u1ee7ng m\u1edbi c\u00e0ng th\u1ea5p.<\/p>\n