Volume 75, Issue 2
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645


From June 19, 2003 to August 18, 2003, we surveyed the mosquitoes of Oberlin, OH, for West Nile Virus (WNV) infection using reverse transcriptase-polymerase chain reaction. A total of 12,055 mosquitoes, representing 17 species or species groups and 4 genera, were collected in gravid traps at seven sites throughout the city, with being the most abundant and showing the highest minimum infection rate (MIR) of 0.78. This represents a decrease in WNV enzootic activity from the previous year. Both abundance and MIR increased significantly with date. However, we found no correlation between abundance and MIR.


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  • Received : 27 Apr 2005
  • Accepted : 07 Apr 2006

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