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Emerg Infect Dis. 2001 Jul-Aug;7(4):679-85.

West Nile virus infection in birds and mosquitoes, New York State, 2000.

Author information

1
Arbovirus Laboratories, New York State Department of Health, 5668 State Farm Road, Slingerlands, NY 12159, USA. bernard@wadsworth.org

Abstract

West Nile (WN) virus was found throughout New York State in 2000, with the epicenter in New York City and surrounding counties. We tested 3,403 dead birds and 9,954 mosquito pools for WN virus during the transmission season. Sixty-three avian species, representing 30 families and 14 orders, tested positive for WN virus. The highest proportion of dead birds that tested positive for WN virus was in American Crows in the epicenter (67% positive, n=907). Eight mosquito species, representing four genera, were positive for WN virus. The minimum infection rate per 1,000 mosquitoes (MIR) was highest for Culex pipiens in the epicenter: 3.53 for the entire season and 7.49 for the peak week of August 13. Staten Island had the highest MIR (11.42 for Cx. pipiens), which was associated with the highest proportion of dead American Crows that tested positive for WN virus (92%, n=48) and the highest number of human cases (n=10).

PMID:
11585532
PMCID:
PMC2631772
DOI:
10.3201/eid0704.010415
[Indexed for MEDLINE]
Free PMC Article

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