Volume 11, Number 9—September 2005
Dead Crow Density and West Nile Virus Monitoring, New York
|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|
*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.