Key result
EIA matches PRNT and HI tests for rapid detection of EEE virus antibodies in chickens.
Why the study?
Traditional tests for detecting antibodies against eastern equine encephalomyelitis virus in sentinel chickens are complex and time-consuming, necessitating simpler rapid alternatives.
Population
Laboratory-infected chickens and naturally infected sentinel chickens from Maryland
Comparison
Enzyme immunoassay (IgM and IgG) vs serum plaque reduction neutralization test and hemagglutination inhibition test
Design
Comparative assay development study
Follow-up
Up to 30 days or 1 to 5 weeks
Authors
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May support EIA for rapid EEE surveillance in sentinel chickens; leaves open field validation before routine use.
EIAs provide a simple and rapid alternative to traditional tests for monitoring EEE virus infections in sentinel chicken flocks, with IgM EIA able to identify recent infections.
Olson et al. (1991) studied Eastern equine encephalomyelitis (EEE) virus infection. Enzyme immunoassay (EIA) for IgM and IgG vs. Serum plaque reduction neutralization test (PRNT) and hemagglutination inhibition (HI) test was evaluated on Detection of EEE virus-specific antibodies. An enzyme immunoassay (EIA) successfully detected IgM and IgG antibodies against eastern equine encephalomyelitis virus in chickens within 2 to 4 days of infection, comparable to PRNT and HI tests.
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