| effectiveness of universal hepatitis a immunization of children in minsk city, belarus: four-year follow-up. | hepatitis a is a reportable disease in belarus. universal hepatitis a vaccination of children aged 6 years in minsk city began in 2003. this analysis was conducted to evaluate the short-term impact of the program. hepatitis a incidence data from 1954 to 2006 was compiled. vaccination effectiveness was estimated by comparing the incidence of reported hepatitis a cases after 4 years of immunization (2006) with the incidence when the vaccination program started (2003). the vaccines used were avaxim ... | 2008 | 18837836 |