Safety of Sabin Inactivated Poliovirus Vaccine in Adults, Children and Infants and Lot Consistency Immunogenicity, and Safety of the msIPV in 2 Months Old Infants

Sabin Inactivated Poliovirus Vaccine (Vero cell) (2.5ml)-investigational vaccine produced by Sinovac Biotech Co., Ltd. Inactivated Sabin poliovirus antigen (per 0.5ml): type 1 (15DU), type 2 (45DU), and type 3 (45DU)in 2.5 ml mixture of medium 199,glycine,formaldehyde,sodium chloride,potassium chloride,calcium chloride,magnesium sulfate,disodium phosphate,sodium dihydrogen phosphate,2 - phenoxyethanol for per injection.

Inactivated Poliovirus Vaccine - control vaccine produced by Sanofi. Inactivated poliovirus antigens: Mahoney strain for type 1 (40DU), MEF-1 strain for type 2 (8DU), Saukett strains for type 3 (32DU) in 0.5 ml mixture of 2- phenoxyethanol,ethanol,formaldehyde,hanks199 medium (containing amino acids, mineral salts, vitamins, glucose, polysorbate 80 and water for injection),hydrochloric acid or sodium hydroxide (for pH value adjustment),trace amounts of antibiotics (neomycin, streptomycin and polymyxin B)for per injection.

"Sabin Inactivated Poliovirus Vaccine (Vero cell) (0.5ml) -control vaccine produced by Sinovac Biotech Co., Ltd.~Inactivated Sabin poliovirus antigen: type 1 (15DU), type 2 (45DU), and type 3 (45DU)in 0.5 ml mixture of medium 199,glycine,formaldehyde,sodium chloride,potassium chloride,calcium chloride,magnesium sulfate,disodium phosphate,sodium dihydrogen phosphate for per injection."