The purpose of the study is to compare the immunogenicity and safety of a booster dose of BoostrixTM Polio to that of Sanofi Pasteur MSD's RepevaxTM, when co-administered with a second dose of Priorix
ABSTRACT Objectives: to compare adverse events after administrating hepatitis A vaccine intramuscularly in the ventro-gluteal region between techniques with and without aspiration. Methods: randomiz
