作者: Millicent Eidson , Kate Schmit , Yoichiro Hagiwara , Madhu Anand , P. Bryon Backenson
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摘要: New York State used the health commerce system to monitor number of West Nile virus (WNV) human disease cases and density dead crows. In each year from 2001 2003 for 3 years combined, persons living in counties (excluding City) with elevated weekly crow densities (above a threshold value 0.1 crows per square mile) had higher risk (2.0–8.6 times) caused by WNV within next 2 weeks than residents reporting fewer mile. This type index can offer real-time, relatively inexpensive window into viral activity time prevention control. Changes reporting, bird populations, immunity may require that thresholds other be later or areas.