Study Status: Terminated
Recruit Status: Terminated
Study Type: Interventional
Official Title: An Expanded Phase1/2a Randomized, Double-blind, Placebo-controlled Study to Evaluate the Safety, Tolerability, Immunogenicity, and Viral Shedding of MEDI-560, A Live, Attenuated Recombinant
Brief Summary: The primary objective of this study is to describe the safety and tolerability of 3 doses of MEDI-560 at 10^5 TCID50 when administered to children 6 to < 12 months of age who are HPIV3 (human parainfluenza virus type 3) seronegative at baseline and to infants 1 to < 3 months of age regardless of baseline serostatus.