Diyarbakır is the largest residential area in the Southeastern Anatolia of Turkey. Routine HBV vaccination has begun to be implemented by the Ministry of Health in Turkey in 1998. The purposes of this study were to detect the levels of HBV DNA in patients with HBVin 2017, and compare the results of the years 2002 and 2012 according to age groups. HBV DNA results of patients were divided in to seven age groups (0-14, 15-20, 21-30, 31-40, 41-50, 51-60, >61) and for comparison of HBV DNA levels of 2002, 2012. A statistically significant decrease was seen in the number of indiviuals in 0-14 age group in 2017 compared with 2002 and 2012
