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  • Content Type: Abstract

    Immediately following September 11, 2001, the District of Columbia Department of Health began a syndromic surveillance program based on emergency room (ER) visits. ER logs are faxed on a daily basis to the health department,… read more
    … was preferred to the univariate CUSUM for some but not all outbreak types.   Objective This paper evaluates an ER … BACKGROUND Immediately following September 11, 2001, the Dis- trict of Columbia Department of Health began a syn- … was preferred to the univariate CUSUM for some but not all outbreak types[3]. METHODS In this paper we extend these …