School Opening Dates Predict Pandemic Influenza A(H1N1) Outbreaks in the United States

被引:113
作者
Chao, Dennis L. [1 ]
Halloran, M. Elizabeth [1 ,2 ]
Longini, Ira M., Jr. [1 ,2 ]
机构
[1] Fred Hutchinson Canc Res Ctr, Ctr Stat & Quantitat Infect Dis, Vaccine & Infect Dis Div, Seattle, WA 98109 USA
[2] Univ Washington, Sch Publ Hlth, Dept Biostat, Seattle, WA 98195 USA
关键词
TRANSMISSION;
D O I
10.1086/655810
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
The opening of schools in the late summer of 2009 may have triggered the fall wave of pandemic influenza A(H1N1) in the United States. We found that an elevated percentage of outpatient visits for influenza-like illness occurred an average of 14 days after schools opened in the fall of 2009. The timing of these events was highly correlated (Spearman correlation coefficient, 0.62; P<.001). This result provides evidence that transmission in schools catalyzes community-wide transmission. School opening dates can be useful for future pandemic planning, and influenza mitigation strategies should be targeted at school populations before the influenza season.
引用
收藏
页码:877 / 880
页数:4
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