Study Status: Completed
Recruit Status: Completed
Study Type: Interventional
Official Title: An Open-label, Dose-finding, Phase II Study to Evaluate the Safety and Immunogenicity of EV71 Vaccine in Pediatric Subjects Aged 3 to 6 Years and 6 to 35 Months Old
Brief Summary: The objectives of this study are to evaluate the immune response and safety profiles of two injections of EV71 vaccine administrated with or without adjuvant AlPO4 at 0.5-μg, 1-μg, 2-μg and 5-μg dose (if required) in children aged 3 to 6 years old and 0.25-μg (if required), 0.5-μg, 1-μg and 2-μg (if required) in 6 to 35 months old infants/toddlers.