WEST NILE VIRUS IN MOSQUITOES OF NORTHERN OHIO, 2003

BRADLEY J. WHITE Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana; Department of Biology, Oberlin College, Oberlin, Ohio; Department of Entomology, University of California, Davis, California; Vector-Borne Disease Program, Ohio Department of Health, Columbus, Ohio

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DAVID R. ANDREW Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana; Department of Biology, Oberlin College, Oberlin, Ohio; Department of Entomology, University of California, Davis, California; Vector-Borne Disease Program, Ohio Department of Health, Columbus, Ohio

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NICOLE Z. MANS Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana; Department of Biology, Oberlin College, Oberlin, Ohio; Department of Entomology, University of California, Davis, California; Vector-Borne Disease Program, Ohio Department of Health, Columbus, Ohio

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OJIMADU A. OHAJURUKA Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana; Department of Biology, Oberlin College, Oberlin, Ohio; Department of Entomology, University of California, Davis, California; Vector-Borne Disease Program, Ohio Department of Health, Columbus, Ohio

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MARY C. GARVIN Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana; Department of Biology, Oberlin College, Oberlin, Ohio; Department of Entomology, University of California, Davis, California; Vector-Borne Disease Program, Ohio Department of Health, Columbus, Ohio

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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 Culex pipiens/restuans 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 Cx. pipiens/restuans abundance and MIR increased significantly with date. However, we found no correlation between Cx. pipiens/restuans abundance and MIR.

Author Notes

Reprint requests: Mary Garvin, Department of Biology, Oberlin College, 119 Woodland Street, Oberlin, OH 44074. E-mail: Mary.Garvin@oberlin.edu.
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