Key Points
- To assess the reproducibility of poliovirus plaque titrations and establish a standardized plaque neutralization method for evaluating poliomyelitis antisera.
- Assessed the reproducibility of poliovirus plaque titrations under controlled laboratory conditions.
- Investigated the neutralization kinetics of poliovirus exposed to specific antiserum at 37 °C across varying durations and serum dilutions.
- Developed a standardized plaque neutralization antibody titration protocol and compared its reproducibility against conventional titration methods.
- Poliovirus neutralization by specific antiserum at 37 °C proceeded logarithmically with respect to incubation time and serum dilution.
- The standardized plaque neutralization method demonstrated markedly greater reproducibility in antibody titers compared to conventional titration assays while maintaining a consistent numerical relationship with average conventional titers.
Structured PICO
PPopulationPoliovirus and poliomyelitis antisera (in vitro model)
IInterventionPlaque neutralization test method under defined test conditions
CComparatorOther methods in current use for titrating poliomyelitis plaque neutralizing antibodies
OOutcomeReproducibility of titerssurrogate
The study establishes a highly reproducible plaque neutralization test method for titrating poliomyelitis antibodies.