Antibodies Against the Current Influenza A(H1N1) Vaccine Strain Do Not Protect Some Individuals From Infection With Contemporary Circulating Influenza A(H1N1) Virus Strains.

Antibodies Against the Current Influenza A(H1N1) Vaccine Strain Do Not Protect Some Individuals From Infection With Contemporary Circulating Influenza A(H1N1) Virus Strains.
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DOI:
10.1093/infdis/jiw479
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发表时间:
2016-12-15
期刊:
The Journal of infectious diseases
影响因子:
--
通讯作者:
Hensley SE
Hensley SE
中科院分区:
其他
文献类型:
--
作者:
Petrie JG;Parkhouse K;Ohmit SE;Malosh RE;Monto AS;Hensley SE

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在2013-2014年流感季节,几乎所有流行的2009年甲型H1N1流感病毒(A[H1N1] pdm 09)毒株都在血凝素(K166 Q)中具有抗原性重要突变。在这里,我们使用2013-2014年季节之前从382名个体收集的血清进行了血凝抑制(HAI)测定,并确定HAI滴度是否与A(H1N1)pdm 09感染的保护相关。保护与针对具有K166 Q突变的A(H1N1)pdm 09毒株的HAI滴度相关,但与针对缺乏该突变的当前A(H1N1)pdm 09疫苗毒株的HAI滴度无关。这些数据表明,当代A(H1N1)pdm 09毒株在抗原性上不同于当前A(H1N1)pdm 09疫苗毒株。
During the 2013–2014 influenza season, nearly all circulating 2009 pandemic influenza A(H1N1) virus (A[H1N1]pdm09) strains possessed an antigenically important mutation in hemagglutinin (K166Q). Here, we performed hemagglutination-inhibition (HAI) assays, using sera collected from 382 individuals prior to the 2013–2014 season, and we determined whether HAI titers were associated with protection from A(H1N1)pdm09 infection. Protection was associated with HAI titers against an A(H1N1)pdm09 strain possessing the K166Q mutation but not with HAI titers against the current A(H1N1)pdm09 vaccine strain, which lacks this mutation. These data indicate that contemporary A(H1N1)pdm09 strains are antigenically distinct from the current A(H1N1)pdm09 vaccine strain.
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