Detection of St. Louis encephalitis and western equine encephalomyelitis RNA in mosquitoes tested without maintenance of a cold chain

Western equine encephalomyelitis and St. Louis encephalitis viral RNA can be detected 20 days after death of infected Culex tarsalis in the absence of a cold chain. Viral RNA was detected with the reverse transcription-polymerase chain reaction in mosquitoes infected either parenterally or perorally...

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