A PROSPECTIVE FIELD-EVALUATION OF AN ENZYME-IMMUNOASSAY - DETECTION OF EASTERN EQUINE ENCEPHALOMYELITIS VIRUS-ANTIGEN IN POOLS OF CULISETA-MELANURA

  • 1 September 1987
    • journal article
    • research article
    • Vol. 3  (3) , 412-417
Abstract
A prospective field study was conducted to determine the sensitivity and specificity of an enzyme immunoassay (EIA) compared to virus isolation in cell culture for the detection of eastern equine encephalomyelitis (EEE) virus in naturally infected mosquitoes. A total of 10,811 adult female Culiseta melanura were collected in light traps during 1985 from four locations in Maryland [USA]. Eastern equine encephalomyelitis virus was isolated from 5 of 495 mosquito pools in African green monkey kidney and baby hamster kidney cell cultures. All five virus-infected pools were detected by the EIA, and all 490 uninfected pools were correctly scored as not containing virus. The EIA did not produce false positive or false negative results. Results support the assertion of previous researchers that the antigen detection EIA is a rapid, sensitive, specific, and simple alternative to traditional bioassays for the detection of EEE virus in mosquitoes.

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