{"id":8968,"date":"2021-08-28T11:06:48","date_gmt":"2021-08-28T04:06:48","guid":{"rendered":"https:\/\/www.oucru.vn\/bai-bao-su-lay-truyen-cua-bien-the-delta-virus-sars-cov-2-trong-bo-phan-nhan-vien-y-te-duoc-tiem-chung-o-viet-nam\/"},"modified":"2021-08-28T11:06:48","modified_gmt":"2021-08-28T04:06:48","slug":"bai-bao-su-lay-truyen-cua-bien-the-delta-virus-sars-cov-2-trong-bo-phan-nhan-vien-y-te-duoc-tiem-chung-o-viet-nam","status":"publish","type":"post","link":"https:\/\/www.oucru.org\/vi\/bai-bao-su-lay-truyen-cua-bien-the-delta-virus-sars-cov-2-trong-bo-phan-nhan-vien-y-te-duoc-tiem-chung-o-viet-nam\/","title":{"rendered":"B\u00e0i b\u00e1o \u201cS\u1ef1 l\u00e2y truy\u1ec1n c\u1ee7a Bi\u1ebfn th\u1ec3 Delta, virus SARS-CoV-2 trong b\u1ed9 ph\u1eadn Nh\u00e2n vi\u00ean Y t\u1ebf \u0111\u01b0\u1ee3c Ti\u00eam ch\u1ee7ng \u1edf Vi\u1ec7t Nam\u201d"},"content":{"rendered":"

Theo ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c bi\u1ebft, m\u1ed9t b\u00e0i vi\u1ebft g\u1ea7n \u0111\u00e2y t\u1eeb T\u1ed5 ch\u1ee9c B\u1ea3o v\u1ec7 S\u1ee9c kh\u1ecfe Tr\u1ebb em (Children’s Health Defense) v\u00e0o ng\u00e0y 23 th\u00e1ng 8 n\u0103m 2021 \u0111\u00e3 chia s\u1ebb tuy\u00ean b\u1ed1 sai s\u1ef1 th\u1eadt r\u1eb1ng b\u00e0i b\u00e1o c\u1ee7a ch\u00fang t\u00f4i \u0111\u00e3 ch\u1ee9ng minh “nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ti\u00eam ch\u1ee7ng mang l\u01b0\u1ee3ng vi r\u00fat COVID-19 trong m\u0169i g\u1ea5p 251 l\u1ea7n so v\u1edbi nh\u1eefng ng\u01b0\u1eddi ch\u01b0a \u0111\u01b0\u1ee3c ti\u00eam ch\u1ee7ng”.<\/p>\n

Bi\u1ebfn th\u1ec3 Delta c\u1ee7a vi-r\u00fat SARS-CoV-2 g\u00e2y ra t\u1ea3i l\u01b0\u1ee3ng vi r\u00fat cao, \u0111i\u1ec1u n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh trong c\u00e1c nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y t\u1eeb c\u00e1c qu\u1ed1c gia kh\u00e1c nhau, bao g\u1ed3m Trung Qu\u1ed1c (tham chi\u1ebfu # 1), Singapore (tham chi\u1ebfu # 2), Anh (tham chi\u1ebfu # 3), v\u00e0 Hoa K\u1ef3 (s\u1ed1 4 & 5). Nghi\u00ean c\u1ee9u t\u1eeb Trung Qu\u1ed1c cho th\u1ea5y t\u1ea3i l\u01b0\u1ee3ng vi r\u00fat \u1edf nh\u1eefng ng\u01b0\u1eddi b\u1ecb nhi\u1ec5m bi\u1ebfn th\u1ec3 Delta cao h\u01a1n 1,000 l\u1ea7n so v\u1edbi nh\u1eefng ng\u01b0\u1eddi b\u1ecb nhi\u1ec5m c\u00e1c ch\u1ee7ng 19A \/ 19B \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n \u1edf Trung Qu\u1ed1c v\u00e0o \u0111\u1ea7u n\u0103m 2020. Ngo\u00e0i ra, c\u00e1c nghi\u00ean c\u1ee9u t\u1eeb M\u1ef9, Anh v\u00e0 Singapore \u0111\u00e3 ch\u1ee9ng minh r\u1eb1ng nh\u1eefng ng\u01b0\u1eddi \u0111\u00e3 ti\u00eam ch\u1ee7ng v\u00e0 nh\u1eefng ng\u01b0\u1eddi ch\u01b0a \u0111\u01b0\u1ee3c ti\u00eam ch\u1ee7ng b\u1ecb nhi\u1ec5m bi\u1ebfn th\u1ec3 Delta mang c\u00f9ng m\u1ed9t l\u01b0\u1ee3ng vi r\u00fat nh\u01b0 nhau trong \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p c\u1ee7a h\u1ecd, v\u1edbi t\u1ed1c \u0111\u1ed9 thanh th\u1ea3i vi r\u00fat nhanh h\u01a1n \u1edf nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ti\u00eam (theo nghi\u00ean c\u1ee9u t\u1eeb Singapore).<\/p>\n

Trong nghi\u00ean c\u1ee9u c\u1ee7a m\u00ecnh (https:\/\/ssrn.com\/abstract=3897733<\/a>), ch\u00fang t\u00f4i so s\u00e1nh t\u1ea3i l\u01b0\u1ee3ng vi r\u00fat (suy ra t\u1eeb gi\u00e1 tr\u1ecb PCR Ct) t\u1eeb c\u00e1c tr\u01b0\u1eddng h\u1ee3p nhi\u1ec5m ch\u1ee7ng SARS-CoV-2 ban \u0111\u1ea7u \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n \u1edf Vi\u1ec7t Nam trong kho\u1ea3ng th\u1eddi gian t\u1eeb th\u00e1ng 3 \u0111\u1ebfn th\u00e1ng 4 n\u0103m 2020 (sau \u0111\u00e2y g\u1ecdi l\u00e0 ch\u1ee7ng g\u1ed1c) v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p t\u1eeb nh\u00e2n vi\u00ean y t\u1ebf \u0111\u01b0\u1ee3c ti\u00eam ch\u1ee7ng \u0111\u1ea7y \u0111\u1ee7 b\u1ecb nhi\u1ec5m bi\u1ebfn th\u1ec3 Delta.<\/p>\n

T\u01b0\u01a1ng t\u1ef1 nh\u01b0 d\u1eef li\u1ec7u t\u1eeb c\u00e1c nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean, nghi\u00ean c\u1ee9u c\u1ee7a ch\u00fang t\u00f4i cho th\u1ea5y r\u1eb1ng nhi\u1ec5m tr\u00f9ng bi\u1ebfn th\u1ec3 Delta \u1edf nh\u00e2n vi\u00ean y t\u1ebf \u0111\u01b0\u1ee3c ti\u00eam ch\u1ee7ng \u0111\u1ea7y \u0111\u1ee7 c\u00f3 li\u00ean quan \u0111\u1ebfn t\u1ea3i l\u01b0\u1ee3ng vi-r\u00fat cao, h\u01a1n 250 l\u1ea7n so v\u1edbi nh\u1eefng ng\u01b0\u1eddi b\u1ecb nhi\u1ec5m ch\u1ee7ng g\u1ed1c. S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 t\u1ea3i l\u01b0\u1ee3ng vi r\u00fat l\u00e0 do bi\u1ebfn th\u1ec3 Delta g\u00e2y ra t\u1ea3i l\u01b0\u1ee3ng vi r\u00fat cao h\u01a1n; \u0111i\u1ec1u n\u00e0y kh\u00f4ng li\u00ean quan \u0111\u1ebfn t\u00ecnh tr\u1ea1ng ti\u00eam ch\u1ee7ng c\u1ee7a ng\u01b0\u1eddi b\u1ecb nhi\u1ec5m b\u1ec7nh. Do \u0111\u00f3, tuy\u00ean b\u1ed1 r\u1eb1ng nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ti\u00eam ch\u1ee7ng mang theo g\u1ea5p 251 l\u1ea7n l\u01b0\u1ee3ng SARS-CoV-2 trong \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p c\u1ee7a h\u1ecd so v\u1edbi nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng \u0111\u01b0\u1ee3c ti\u00eam ch\u1ee7ng l\u00e0 th\u00f4ng tin kh\u00f4ng \u0111\u00fang s\u1ef1 th\u1eadt.<\/p>\n

C\u00f3 r\u1ea5t nhi\u1ec1u b\u1eb1ng ch\u1ee9ng v\u1ec1 hi\u1ec7u qu\u1ea3 c\u1ee7a v\u1eafc-xin trong vi\u1ec7c ng\u0103n ng\u1eeba b\u1ec7nh n\u1eb7ng v\u00e0 t\u1eed vong do COVID-19. Nghi\u00ean c\u1ee9u c\u1ee7a ch\u00fang t\u00f4i kh\u00f4ng h\u1ec1 cung c\u1ea5p b\u1eb1ng ch\u1ee9ng ng\u01b0\u1ee3c l\u1ea1i. Ch\u00fang t\u00f4i h\u1ebft s\u1ee9c t\u00e1n th\u00e0nh vi\u1ec7c ti\u00eam ch\u1ee7ng v\u00e0 tin r\u1eb1ng \u0111\u00e2y l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng v\u00e0 hi\u1ec7u qu\u1ea3 ch\u1ed1ng l\u1ea1i COVID-19 v\u00e0 nh\u1eefng h\u1eadu qu\u1ea3 kh\u1ee7ng khi\u1ebfp c\u1ee7a \u0111\u1ea1i d\u1ecbch.<\/strong><\/p>\n

TS. BS. Nguy\u1ec5n V\u0103n V\u0129nh Ch\u00e2u – Gi\u00e1m \u0111\u1ed1c B\u1ec7nh vi\u1ec7n B\u1ec7nh Nhi\u1ec7t \u0111\u1edbi TP. H\u1ed3 Ch\u00ed Minh<\/p>\n

GS. TS. Guy Thwaites\u00a0– Gi\u00e1m \u0111\u1ed1c OUCRU<\/p>\n

TS. L\u00ea V\u0103n T\u1ea5n – Tr\u01b0\u1edfng nh\u00f3m C\u00e1c b\u1ec7nh truy\u1ec1n nhi\u1ec5m m\u1edbi n\u1ed5i, OUCRU<\/p>\n

T\u00e0i li\u1ec7u tham kh\u1ea3o:<\/h3>\n

1. Viral infection and transmission in a large, well-traced outbreak caused by the SARS-CoV-2 Delta variant, https:\/\/www.medrxiv.org\/content\/10.1101\/2021.07.07.21260122v2.full.pdf+html<\/p>\n

2. Virological and serological kinetics of SARS-CoV-2 Delta variant vaccine-breakthrough infections: a multi-center cohort study, https:\/\/www.medrxiv.org\/content\/10.1101\/2021.07.28.21261295v1<\/p>\n

3. Impact of Delta on viral burden and vaccine effectiveness against new SARS-CoV-2 infections in the UK, https:\/\/www.medrxiv.org\/content\/10.1101\/2021.08.18.21262237v1<\/p>\n

4. Shedding of Infectious SARS-CoV-2 Despite Vaccination, https:\/\/www.medrxiv.org\/content\/10.1101\/2021.07.31.21261387v4.full.pdf+html<\/p>\n

5. Outbreak of SARS-CoV-2 Infections, Including COVID-19 Vaccine Breakthrough Infections, Associated with Large Public Gatherings \u2014 Barnstable County, Massachusetts, July 202, https:\/\/www.cdc.gov\/mmwr\/volumes\/70\/wr\/mm7031e2.htm<\/p>\n","protected":false},"excerpt":{"rendered":"

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