nH1N1 prevalence estimates by adjustment method and age-group, New York City, May 1 to June 19, 2009.
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*Adjustment Method 1 uses survey 1 data from the less affected boroughs to estimate background ILI.**Adjustment Method 2 uses emergency department visit data for ILI from 2004–2008 to estimate background ILI.
创建时间：
2015-12-02
