Features of development of hepatitis B epidemic process in Altay territory in before-vaccination period and in the immunization period

Abstract

The analysis of dynamics of morbidity indicators by the given infection in Altay territory during the period from 1986 for 2009 was carried out. The objective was to study development of the acute virus hepatitis B epidemic process.
As a result of the spent analysis it is revealed: morbidity decrease in 2009 to a maximum level of 1996; presence of inverse statistically significant correlation dependence between acute hepatitis B morbidity of the population and coverage by preventive inoculations against the given disease of children till 17 years as well as adults, with more expressed dependence among adult population till 55 years; change of age structure of ill children till 17 years towards decrease in relative density of children of preschool age and increase in a share of children of school age; excess of acute hepatitis B morbidity indicator among city dwellers in relation to agricultural population at equal coverage by preventive inoculations of townsmen and villagers.