Comparison Study of SIBP's MMR Vaccine Versus GSK MMR Vaccine in Children Aged 9-11 Months

This is a live attenuated measles, mumps, and rubella combined vaccine (Shanghai MMR) in a freeze-dried powder form, developed and manufactured by Shanghai Institute of Biological Products. A single dose of 0.5 mL, containing not less than 3.0 log CCID50 of both live measles virus and rubella virus and 4.3 log CCID50 of live mumps virus. 0.5ml per dose.

PRIORIX (combined measles, mumps and rubella vaccine, live, attenuated) is a lyophilized mixed preparation of the attenuated Schwarz measles, RIT 4385 mumps (derived from Jeryl Lynn strain) and Wistar RA 27/3 rubella strains of viruses, separately obtained by propagation either in chick embryo tissue cultures (mumps and measles) or MRC5 human diploid cells (rubella). 0.5ml per dose.

This is a live, attenuated, lyophilized yellow fever vaccine manufactured by Sanofi Pasteur Europe, Lyon, France. A single dose of 0.5 mL contains with not less than 1000 IU of yellow fever virus 17D-204 strain. 0.5ml per dose.