A Study to Evaluate the Safety and Immunogenicity of Monovalent OPV2 in Children Aged 1 to 5 Years in Lithuania

"Polio Sabin™ Mono Two (oral) is a licensed, monovalent, live attenuated poliomyelitis virus vaccine of the Sabin strain Type 2 (P 712, Ch, 2ab), propagated in MRC5 human diploid cells. Each two-drop dose (0.1 mL) contains not less than 105.0 CCID50 of Type 2. Magnesium chloride is used as a stabilizer. Polio Sabin™ Mono Two (Oral) contains trace amounts of neomycin sulphate and polymyxin B sulphate.~One dose of vaccine (0.1 mL) is contained in two drops which are delivered from the polyethylene dropper supplied with vaccine."