Mosquito Surveillance for West Nile Virus in Connecticut, 2000: Isolation from Culex pipiens , Cx. restuans , Cx. salinarius , and Culiseta melanura

Abstract

Fourteen isolations of West Nile (WN) virus were obtained from four mosquito species (Culex pipiens [5], Cx. restuans [4], Cx. salinarius [2], and Culiseta melanura [3]) in statewide surveillance conducted from June through October 2000. Most isolates were obtained from mosquitoes collected in densely populated residential locales in Fairfield and New Haven counties, where the highest rates of dead crow sightings were reported and where WN virus was detected in 1999. Minimum field infection rates per 1,000 mosquitoes ranged from 0.5 to 1.8 (county based) and from 1.3 to 76.9 (site specific). Cx. restuans appears to be important in initiating WN virus transmission among birds in early summer; Cx. pipiens appears to play a greater role in amplifying virus later in the season. Cs. melanura could be important in the circulation of WN virus among birds in sylvan environments; Cx. salinarius is a suspected vector of WN virus to humans and horses.

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Cited by papers we hold 4

• Flavivirus-Mosquito Interactions · 2014
  No notice
• Vector-Virus Interactions and Transmission Dynamics of West Nile Virus · 2013
  No notice
• Developing operational algorithms using linear and non-linear squares estimation in Python® for the identification of Culex pipiens and Culex restuans in a mosquito abatement district (Cook County, Illinois, USA) · 2009
  Not checked
• Host Feeding Patterns of Culex Mosquitoes and West Nile Virus Transmission, Northeastern United States · 2006
  No notice

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