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J Am Mosq Control Assoc. 2004 Sep;20(3):326-7.

The discovery of West Nile virus in overwintering Culex pipiens (Diptera: Culicidae) mosquitoes in Lehigh County, Pennsylvania.

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Penn State Cooperative Extension, Lehigh County, Allentown, PA 18104, USA.


In February 2003, a pool of 6 Culex pipiens mosquitoes collected in Lehigh County, PA, tested positive for West Nile Virus (WNV). West Nile viral RNA was detected by reverse transcriptase-polymerase chain reaction. This is the first time in Pennsylvania and the third time in North America that WNV has been found in overwintering adult mosquitoes.

[Indexed for MEDLINE]

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