Preliminary results of a study on antibody response to measles vaccine in children in Thanh Hoa province

ABSTRACT

The study included 890 children from 2 to 10 years of age in Thanh Hoa province. The seroconversion rate to measles vaccine increased from 61% to 83% after the booster dose of measles vaccine. Antibody mean titer significantly increased from 14.9+/-10 PANBIO units to 18.6+/-7.6 PANBIO units. The increase was high significant in negative sera. Antibody mean titer varied by districts. However, antibody response to measles vaccine signigicantly increased after the 2nd dose of measles vaccine in all the districs