{"id":308,"date":"2025-01-02T22:27:32","date_gmt":"2025-01-02T15:27:32","guid":{"rendered":"https:\/\/longchau.oe\/?p=308"},"modified":"2025-01-02T22:28:47","modified_gmt":"2025-01-02T15:28:47","slug":"cum-a-h3n2-nguyen-nhan-trieu-chung-va-phong-ngua-hieu-qua","status":"publish","type":"post","link":"https:\/\/store2.k-tech-services.com\/nhathuoc\/cum-a-h3n2-nguyen-nhan-trieu-chung-va-phong-ngua-hieu-qua\/","title":{"rendered":"C\u00fam A H3N2: Nguy\u00ean nh\u00e2n, tri\u1ec7u ch\u1ee9ng v\u00e0 ph\u00f2ng ng\u1eeba hi\u1ec7u qu\u1ea3"},"content":{"rendered":"

Virus c\u00fam A H3N2 l\u00e0 m\u1ed9t ph\u00e2n nh\u00f3m virus g\u00e2y ra b\u1ec7nh c\u00fam. \u1ede chim, l\u1ee3n v\u00e0 ng\u01b0\u1eddi, virus n\u00e0y bi\u1ebfn \u0111\u1ed5i th\u00e0nh nhi\u1ec1u ch\u1ee7ng kh\u00e1c nhau v\u1ec1 m\u1eb7t di truy\u1ec1n v\u00e0 kh\u00e1ng nguy\u00ean trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y. Trong 10 n\u0103m qua, H3N2 c\u00f3 xu h\u01b0\u1edbng chi\u1ebfm \u01b0u th\u1ebf v\u1ec1 t\u1ef7 l\u1ec7 l\u01b0u h\u00e0nh h\u01a1n so v\u1edbi c\u00e1c ch\u1ee7ng H1N1, H1N2 v\u00e0 c\u00fam B.<\/p><\/blockquote>\n

 <\/p>\n

T\u00ecm hi\u1ec3u chung c\u00fam a h3n2<\/h3>\n

Virus H3N2 l\u00e0 g\u00ec?<\/h3>\n

Virus c\u00fam c\u00f3 v\u1eadt ch\u1ea5t di truy\u1ec1n l\u00e0 RNA, thu\u1ed9c h\u1ecd Orthomyxoviridae. Ch\u00fang \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh b\u1ed1n lo\u1ea1i ch\u00ednh t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1eb7c t\u00ednh kh\u00e1ng nguy\u00ean v\u00e0 c\u1ea5u tr\u00fac sinh h\u1ecdc kh\u00e1c nhau c\u1ee7a ch\u00fang. Trong c\u00e1c lo\u1ea1i n\u00e0y, c\u00fam A v\u00e0 c\u00fam B l\u00e0 hai lo\u1ea1i g\u00e2y b\u1ec7nh cho con ng\u01b0\u1eddi. Trong khi c\u00fam B ch\u1ec9 gi\u1edbi h\u1ea1n v\u1edbi quy m\u00f4 d\u1ecbch m\u1ee9c \u0111\u1ed9 nh\u1eb9 \u0111\u1ebfn trung b\u00ecnh, th\u00ec c\u00fam A \u0111\u00e3 g\u00e2y ra c\u00e1c \u0111\u1ea1i d\u1ecbch c\u00fam trong l\u1ecbch s\u1eed lo\u00e0i ng\u01b0\u1eddi.
\nVirus c\u00fam A H3N2 l\u00e0 m\u1ed9t trong nhi\u1ec1u ph\u00e2n nh\u00f3m c\u1ee7a c\u00fam A. T\u00ean c\u1ee7a virus \u0111\u01b0\u1ee3c \u0111\u1eb7t d\u1ef1a tr\u00ean hai lo\u1ea1i protein ch\u00ednh n\u1eb1m tr\u00ean v\u1ecf ngo\u00e0i c\u1ee7a n\u00f3 g\u1ed3m hemagglutinin H v\u00e0 neuraminidase N. Hai lo\u1ea1i protein n\u00e0y \u0111\u00f3ng vai tr\u00f2 l\u00e0 kh\u00e1ng nguy\u00ean quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng ng\u01b0ng k\u1ebft h\u1ed3ng c\u1ea7u \u1edf \u0111\u1ed9ng v\u1eadt. C\u00f3 t\u1ed5ng c\u1ed9ng 15 lo\u1ea1i kh\u00e1ng nguy\u00ean H v\u00e0 9 lo\u1ea1i kh\u00e1ng nguy\u00ean N. V\u1edbi nh\u1eefng t\u1ed5 h\u1ee3p gi\u1eefa kh\u00e1ng nguy\u00ean H v\u00e0 N kh\u00e1c nhau s\u1ebd t\u1ea1o n\u00ean c\u00e1c ph\u00e2n tu\u00fdp kh\u00e1c nhau c\u1ee7a virus c\u00fam A.<\/p>\n

Virus c\u00fam A H3N2 ti\u1ebfn h\u00f3a t\u1eeb H2N2 b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i kh\u00e1ng nguy\u00ean. Virus n\u00e0y ban \u0111\u1ea7u l\u01b0u h\u00e0nh \u1edf l\u1ee3n. T\u1eeb khi con ng\u01b0\u1eddi b\u1ecb nhi\u1ec5m b\u1ec7nh, virus n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 virus bi\u1ebfn th\u1ec3, \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u b\u1eb1ng ch\u1eef v ph\u00eda sau (virus A(H3N2)v).<\/p>\n

C\u00fam A H3N2 c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb \u0111\u00e2u?<\/h3>\n

Virus H3N2 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n \u1edf ng\u01b0\u1eddi v\u00e0o n\u0103m 1968 g\u00e2y ra \u0111\u1ea1i d\u1ecbch c\u00fam mang t\u00ean l\u00e0 c\u00fam H\u1ed3ng K\u00f4ng. T\u1eeb n\u0103m 1968 \u0111\u1ebfn 1969, \u0111\u1ea1i d\u1ecbch n\u00e0y \u0111\u00e3 gi\u1ebft ch\u1ebft kho\u1ea3ng m\u1ed9t tri\u1ec7u ng\u01b0\u1eddi tr\u00ean th\u1ebf gi\u1edbi, \u01b0\u1edbc t\u00ednh c\u00f3 500.000 c\u01b0 d\u00e2n H\u1ed3ng K\u00f4ng b\u1ecb l\u00e2y nhi\u1ec5m (chi\u1ebfm 15% d\u00e2n s\u1ed1) v\u1edbi t\u1ef7 l\u1ec7 t\u1eed vong th\u1ea5p. T\u1ea1i Hoa K\u1ef3 ghi nh\u1eadn c\u00f3 kho\u1ea3ng 100.000 ng\u01b0\u1eddi t\u1eed vong.
\nC\u00fam do virus H3N2 g\u00e2y ra chi\u1ebfm \u01b0u th\u1ebf trong m\u00f9a c\u00fam n\u0103m 2017 – 2018. D\u1eef li\u1ec7u cho th\u1ea5y c\u00f3 808.129 ca nh\u1eadp vi\u1ec7n li\u00ean quan \u0111\u1ebfn c\u00fam \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o t\u1ea1i M\u1ef9 v\u00e0o th\u1eddi gian n\u00e0y, tr\u1ebb em v\u00e0 ng\u01b0\u1eddi cao tu\u1ed5i l\u00e0 nh\u00f3m nguy c\u01a1 cao m\u1eafc b\u1ec7nh, \u0111\u1eb7c bi\u1ec7t l\u00e0 tr\u1ebb em ch\u01b0a \u0111\u01b0\u1ee3c ch\u1ee7ng ng\u1eeba.<\/p>\n

T\u1ea1i Vi\u1ec7t Nam, ng\u00e0y 15\/02\/2012 C\u1ee5c Y t\u1ebf d\u1ef1 ph\u00f2ng tr\u1ef1c thu\u1ed9c B\u1ed9 y t\u1ebf cho bi\u1ebft Vi\u1ec7t Nam ph\u00e1t hi\u1ec7n ca nhi\u1ec5m c\u00fam A H3N2 c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb l\u1ee3n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ghi nh\u1eadn t\u1ea1i Vi\u1ec7t Nam.<\/p>\n","protected":false},"excerpt":{"rendered":"

Virus c\u00fam A H3N2 l\u00e0 m\u1ed9t ph\u00e2n nh\u00f3m virus g\u00e2y ra b\u1ec7nh c\u00fam. \u1ede chim, l\u1ee3n v\u00e0 ng\u01b0\u1eddi, virus n\u00e0y bi\u1ebfn \u0111\u1ed5i th\u00e0nh nhi\u1ec1u ch\u1ee7ng kh\u00e1c nhau v\u1ec1 m\u1eb7t di truy\u1ec1n v\u00e0 kh\u00e1ng nguy\u00ean trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y. Trong 10 n\u0103m qua, H3N2 c\u00f3 xu h\u01b0\u1edbng chi\u1ebfm \u01b0u th\u1ebf v\u1ec1 t\u1ef7 l\u1ec7 l\u01b0u h\u00e0nh…<\/p>\n","protected":false},"author":1,"featured_media":311,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-308","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-benh"],"acf":[],"_links":{"self":[{"href":"https:\/\/store2.k-tech-services.com\/nhathuoc\/wp-json\/wp\/v2\/posts\/308","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/store2.k-tech-services.com\/nhathuoc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/store2.k-tech-services.com\/nhathuoc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/store2.k-tech-services.com\/nhathuoc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/store2.k-tech-services.com\/nhathuoc\/wp-json\/wp\/v2\/comments?post=308"}],"version-history":[{"count":1,"href":"https:\/\/store2.k-tech-services.com\/nhathuoc\/wp-json\/wp\/v2\/posts\/308\/revisions"}],"predecessor-version":[{"id":310,"href":"https:\/\/store2.k-tech-services.com\/nhathuoc\/wp-json\/wp\/v2\/posts\/308\/revisions\/310"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/store2.k-tech-services.com\/nhathuoc\/wp-json\/wp\/v2\/media\/311"}],"wp:attachment":[{"href":"https:\/\/store2.k-tech-services.com\/nhathuoc\/wp-json\/wp\/v2\/media?parent=308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/store2.k-tech-services.com\/nhathuoc\/wp-json\/wp\/v2\/categories?post=308"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/store2.k-tech-services.com\/nhathuoc\/wp-json\/wp\/v2\/tags?post=308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}