P1096 / Phase 1 Study of Live Attenuated Recombinant (cp) 45 Human Parainfluenza Type 3 Vaccine

Phase 1 Study to Determine the Safety, Infectivity, and Tolerability of 2 Doses of Live Attenuated Recombinant Cold-passaged (cp) 45 Human Parainfluenza Type 3 Virus Vaccine, rHPIV3cp45, Lot PIV3#102A, Delivered as Nose Drops to HPIV3-Seronegative Infants and Children 6 to 36 Months of Age, at a 6 Month Interval