AJTMH Transactions of the Royal Society of Tropical Medicine and Hygiene
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Am. J. Trop. Med. Hyg., 75(2), 2006, pp. 346-349
Copyright © 2006 by The American Society of Tropical Medicine and Hygiene

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WEST NILE VIRUS IN MOSQUITOES OF NORTHERN OHIO, 2003

BRADLEY J. WHITE, DAVID R. ANDREW, NICOLE Z. MANS, OJIMADU A. OHAJURUKA, AND 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

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.

Received April 27, 2005. Accepted for publication April 7, 2006.

Acknowledgments: The authors thank Richard Gary, Robert Restifo, Steven Chordas (Zoonotic and Vector-borne Disease Program, Ohio Department of Health), Scott Pozna, and Kenneth Pierce (Lorain County General Health District) for logistical support of this project. We also thank John Petersen (Oberlin College) for access to, and assistance with, weather data.

Financial support: This work was supported by a grant from the Mellon Foundation to Oberlin College and the Vector-Borne Disease Program, Ohio Department of Health.

* Address correspondence to Mary C. Garvin, Department of Biology, Oberlin College, 119 Woodland St., Oberlin, OH 44074. E-mail: mary.garvin{at}oberlin.edu

Authors’ addresses: Bradley J. White, Center for Tropical Disease Research and Training, University of Notre Dame, 107 Galvin Life Sciences Building, Notre Dame, IN 46556. David R. Andrew and Mary C. Garvin, Department of Biology, Oberlin College, 117 Woodland Street, Oberlin, OH 44074. Nicole Z. Mans, Department of Entomology, University of California Davis, One Shields Avenue, Davis, CA 95616. Ojimadu A. Ohajuruka, Vector-Borne Disease Program, Ohio Department of Health, 900 Freeway Dr. N., Columbus, OH 43229.

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






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