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

Citation
Ka. Bernard et al., West Nile virus infection in birds and mosquitoes, New York State, 2000, EM INFECT D, 7(4), 2001, pp. 679-685
Citations number
18
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Clinical Immunolgy & Infectious Disease
Journal title
EMERGING INFECTIOUS DISEASES
ISSN journal
1080-6040 → ACNP
Volume
7
Issue
4
Year of publication
2001
Pages
679 - 685
Database
ISI
SICI code
1080-6040(200107/08)7:4<679:WNVIIB>2.0.ZU;2-7
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 b irds and 9,954 mosquito pools for WN virus during the transmission season. Sixty-three avian species, representing 30 families and 14 orders, tested p ositive for WN virus. The highest proportion of dead birds that tested posi tive for WN virus was in American Crows in the epicenter (67% positive, n=9 07). Eight mosquito species, representing four genera, were positive for WN virus. The minimum infection rate per 1,000 mosquitoes (MIR) was highest f or 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 Americ an Crows that tested positive for WN virus (92%, n=48) and the highest numb er of human cases (n=10).