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Volume 11, Number 9—September 2005

Dead Crow Density and West Nile Virus Monitoring, New York

Millicent Eidson*Comments to Author , Kate Schmit*, Yoichiro Hagiwara*, Madhu Anand*, P. Bryon Backenson*, Ivan Gotham*, and Laura Kramer*
Author affiliations: *New York State Department of Health, Albany, New York, USA

Main Article

Table 1

Example of 2×2 table constructed for chi-square analyses in this study*

Week 35, 2003 Counties with DCD >0.1
in past 2 wks Counties with DCD <0.1
in past 2 wks
No. cases with disease onset during week 8 1
Total population 4,422,461 6,545,718

*Data for each week with human West Nile virus disease cases in 2001–2003 were pooled to calculate risk for disease occurring within 2 weeks of elevated dead crow density (DCD) in county relative to risk in counties without elevated DCD in the past 2 weeks.

Main Article

Page created: April 23, 2012
Page updated: April 23, 2012
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