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Volume 7, Number 4—August 2001
West Nile Virus
West Nile Virus

West Nile Virus Isolates from Mosquitoes in New York and New Jersey, 1999

Roger S. Nasci*Comments to Author , Dennis J. White†, Helen Stirling‡, JoAnne Oliver†, Thomas J. Daniels§, Richard C. Falco§, Scott Campbell¶, Wayne J. Crans#, Harry M. Savage*, Robert S. Lanciotti*, Chester G. Moore*, Marvin S. Godsey*, Kristy L. Gottfried*, and Carl J. Mitchell*
Author affiliations: *Centers for Disease Control and Prevention, Fort Collins, Colorado, USA; †New York State Department of Health, Albany, New York, USA; ‡New York City Department of Health, New York City, New York, USA; §Louis Calder Center, Fordham University, Armonk, New York, USA; ¶Suffolk County Department of Health, Yaphank, New York, USA; #Rutgers University, New Brunswick, New Jersey, USA

Main Article

Table 5

West Nile (WN) virus infection rates in Culex species mosquitoes, New York and New Jersey, 1999

# WN Total Culex MIRb (95%
virus-positive specimens Confidence
Sampling period County pools  testeda Interval)
9/12-9/19 Queens 3 820 3.7 (0.8-10.7)
Kings (Brooklyn) 2 35 57.1 (7.0-191.6)
Bronx 1 48 20.8 (0.5-110.7)
9/19-9/25 Queens 2 862 2.3 (0.3-8.3)
9/26-10/2 Nassau 1 198 5.1 (0.1-27.8)
Hudson, NJ 1 138 7.2 (0.2-39.7)
Westchester 1 92 10.8 (2.0-54.5)
10/3-10/9 Nassau 1 214 4.7 (0.1-25.8)
Suffolk 1 810 1.2 (0.03-6.9)
10/10-10/16 Queens 1 1496 0.7 (0.02-3.7)
Nassau 1 135 7.4 (0.2-40.6)

aExcluding Culex territans.
bMinimum infection rate expressed as number infected per 1,000 specimens tested.

Main Article

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Page updated: April 27, 2012
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