Change in Rates of HBsAg and Anti-HBs in Şırnak 20 Years After Introduction of Hepatitis B Vaccine into Routine Infant Immunization Program

Meyha Şahin and Meltem Yazla

Chronic hepatitis B virus (HBV) infection is a serious public health problem affecting 257 million people worldwide (3.5% of the world population), according to World Health Statistics 2015 by the World Health Organization (WHO). In Turkey, approximately 3.3 million people (4.57% of the population) are considered HBsAg (hepatitis B surface antigen) positive (...) Read More