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Date: Fri, 25 Oct 2002
Posted by: Mike Thomas (MThomas@wchd.org)

Lois raises an interesting discuss about subclinical WNV infections. According to a discussion at the recent National Syndromic Surveillance Conference with Steven Davis of Verispan company, there was a large spike in pharmaceutical sales in Cook County, Illinois, that coincided with the WNV epidemic there. This suggests a large number of subclinical cases that caused people to seek medical care&.and perhaps exacerbated some other medical condition, as the drug sales were apparently not just for one type of agent (such as pain/fever reducers).

Mike Thomas, DO, MPH&TM

Bioterrorism Epidemiologist

Winnebago County Health Department

401 Division Street, Rockford, Illinois 61104

(815) 720-4215

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