Detection of arbovirus antibodies in avian sera by the complement fixation-inhibition test.
The complement fixation-inhibition (CFI) test was described for the detection of antibodies to arboviruses in bird sera. The CFI antibody present in bird sera inhibited the standard complement-fixation reaction of a reference complement-fixing antigen-antibody pair. Using reference antigens (St. Louis encephalitis, eastern equine encephalomyelitis, western equine encephalomyelitis, and yellow fever) prepared from infected mouse brains and reference antisera prepared in rabbits or horses, reproducible CFI antibody titers were obtained in artificially immunized chickens. Time-course studies on the CFI immune response in birds inoculated with live St. Louis encephalitis virus indicated that the CFI antibody was distinct from the antibody detected by the hemagglutination-inhibition test.[1]References
- Detection of arbovirus antibodies in avian sera by the complement fixation-inhibition test. Tesh, M.J., McCammon, J.R. Am. J. Vet. Res. (1979) [Pubmed]
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