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Recombinants between attenuated and virulent strains of poliovirus type 1: Derivation and characterization of recombinants with centrally located crossover points

Cell-based Vaccine ProductionVirulent StrainsVirus StructureViral EvolutionPathogenesisVirologyMicrobiologyPolioMedicineCrossover PointsViral GeneticsPoliovirus Type 1