Abstract
This study aimed to determine the seroprevalence of hepatitis B virus (HBV) infection in children and females in the middle Black Sea Region of Turkey and to assess the impact of the universal infant hepatitis B vaccination program started in 1998. The laboratory records of 12,057 patients who attended the Samsun Maternity and Children's Hospital between January 2007 and November 2009 were evaluated retrospectively. In this period, hepatitis B surface antigen (HBsAg), the antibody to hepatitis B surface antigen (anti-HBs), was studied from serum samples using the enzyme linked immunosorbent assay method. In the total population, HBsAg seropositivity was found to be 3.8% (456/12010); anti-HBs was 32.6% (3526/10800). HBsAg was 3.5%, in the 0-14 year age group, 8.2% in the 15-18 group, 3.3% in the 19-49 group, and 8.0% in the over 49 group. The seropositivity of HBsAg decreased by half in patients between zero and 14 years of age (4.2%) who were included in the universal vaccination program when compared with those in the 15-18 year group (8.2%) who were not included in the program. There was a significant difference in HBsAg seropositivity between boys (5.8%) and girls (3.9%) (p <0.05). According to the hepatitis B seroprevalence records of our region, HBsAg was 3.5% in the 0-14 year age group, 8.2% in the 15-18 year group. It may therefore be suggested that, since 1998, the vaccination program in our region has been successful.
Highlights
This study aimed to determine the seroprevalence of hepatitis B virus (HBV) infection in children and females in the middle Black Sea Region of Turkey and to assess the impact of the universal infant hepatitis B vaccination program started in 1998
According to the World Health Organization (WHO), two billion people have been infected with the hepatitis B virus and more than 240 million people have chronic liver infections
There was a significant difference in HbsAg seropositivity between boys and girls (p < 0.05)
Summary
This study aimed to determine the seroprevalence of hepatitis B virus (HBV) infection in children and females in the middle Black Sea Region of Turkey and to assess the impact of the universal infant hepatitis B vaccination program started in 1998. Methodology: The laboratory records of 12,057 patients who attended the Samsun Maternity and Children’s Hospital between January 2007 and November 2009 were evaluated retrospectively. In this period, hepatitis B surface antigen (HBsAg), the antibody to hepatitis B surface antigen (anti-HBs), was studied from serum samples using the enzyme linked immunosorbent assay method. About 600,000 people die every year due to the acute or chronic infections of hepatitis B [3]. It is still a major public health problem that can be prevented with vaccination. A plasmaderived vaccine was licensed in 1981 and a recombinant hepatitis B vaccine was licensed in the United States in 1986
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