Evaluation of influenza vaccine effectiveness and description of circulating strains in outpatient settings in South Africa, 2014.

Evaluation of influenza vaccine effectiveness and description of circulating strains in outpatient settings in South Africa, 2014.
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DOI:
10.1111/irv.12314
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发表时间:
2015-07
影响因子:
4.4
通讯作者:
Cohen C
Cohen C
中科院分区:
医学4区
文献类型:
--
作者:
McAnerney JM;Treurnicht F;Walaza S;Cohen AL;Tempia S;Mtshali S;Buys A;Blumberg L;Cohen C

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在2014年南非季节期间,使用测试阴性病例对照研究设计评估了三价季节性流感疫苗的有效性,包括472例病例和362例对照。甲型流感(H3 N2)是流行的主要毒株。经年龄和基础疾病调整后,总体疫苗有效性估计值为43.1%(95%CI:− 26.8 - 74.5)。来自南非的2014 H3 N2病毒主要在亚系3C.3中,氨基酸变化的积累使其与3C.1中的疫苗株区分开。
The effectiveness of the trivalent seasonal influenza vaccine during the 2014 season in South Africa was assessed using a test-negative case–control study design including 472 cases and 362 controls. Influenza A(H3N2) was the dominant strain circulating. The overall vaccine effectiveness estimate, adjusted for age and underlying conditions, was 43·1% (95% CI: −26·8–74·5). 2014 H3N2 viruses from South Africa were mainly in sublineage 3C.3 with accumulation of amino acid changes that differentiate them from the vaccine strain in 3C.1.
DOI: 10.2807/1560-7917.es2014.19.42.20934
发表时间: 2014-10-23
期刊: EUROSURVEILLANCE
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