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Volume 14, Number 10—October 2008

Research

Ecologic Factors Associated with West Nile Virus Transmission, Northeastern United States

Heidi E. Brown1, James E. Childs, Maria A. Diuk-Wasser, and Durland FishComments to Author 
Author affiliations: Yale University, New Haven, Connecticut, USA;

Main Article

Table 1

Incidence (per 100,000 persons) of West Nile virus disease in humans, northeastern United States, 1999–2006*

State 1999 2000 2001 2002 2003 2004 2005 2006 Mean Median 25% IQR 75% IQR
CT 0 0.11 0.70 1.97 5.15 0.11 0.7 1.06
DE 0 0 0 0.79 8.55 0 0.99 0 3.44 1.80 0.64 7.90
MA 0 0 0.44 2.57 2.19 0 0.61 0.27 0.43 0.11 0 0.93
MD 0 0 0.8 9.52 32.01 11.88 1.32 1.69 2.38 1.47 0 3.90
NJ 0 1.02 2.04 7.31 10.04 0.2 0.85 0.68 1.05 0.99 0.43 1.56
NY 3.18 2.45 1.19 21.03 18.78 2.44 2.95 2.03 0.87 0 0 1.25
PA 0 0 0.81 15.87 163.75 7.23 8.36 3.63 2.98 1.59 0 3.09
RI
0
0
0
0.16
2.57
0
0.16
0
0.58
0.60
0
1.13
Total 3.18 3.58 6.01 59.22 243.04 21.76 15.93 9.37 1.77 0.75 0 2.06

*IQR, interquartile range; CT, Connecticut; DE, Delaware; MA, Massachusetts; MD, Maryland; NJ, New Jersey; NY, New York; PA, Pennsylvania; RI, Rhode Island.

Main Article

1Current affiliation: University of Oxford, Oxford, UK.

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