Abstract Background: Vaccination against hepatitis B surface antigen is the most effective way for prevention and has the capability to induce protective antibody levels (> 10 IU per liter) for most vaccinated people, but antibody titer has been shown to decrease over time. It is highly important to investigate this subject especially in the medical community and related professions as high-ris...

  Background & Aim: Hepatitis B vaccine is in national vaccination programs. In healthy individuals the immune response is complete d by three-dose injections in 95% of cases and remains complete with time. However, in patients with chronic transfusion this immune response may be incomplete . In such patients, it is advised to check HBs antibody periodically, and use booster dose in cases with ...

Aim: Hepatitis B infection is one of the common diseases worldwide and the most prevalent communicable virus transferred by blood to the healthcare personnel. Active immunity, due to vaccination is the most effective way to prevent hepatitis B infection. The present study aimed at determining protective antibody titer against HBs antigen in Gonabad University of Medical Sciences students in Ira...

Background:   Regarding the availability of an effective vaccine against hepatitis B virus, global vaccination is the best cost-effective strategy to prevent HBV infection. However, some people may not respond to the vaccine or the titer of antibody decreases by time. Therefore, the present study aimed to determine the frequency of anti-HBs antibody (anti-HBsAb), among university students in Fa...

Background and Objective: Hepatite B is one of the most important infection in the world. The best way to prevent hepatitis B infection is by getting the hepatitis B vaccine. The aim of this study was to evaluate level of HBs antibody titer of 10-18 years healthy students in Razavi Khorasan, North Khorasan and South Khorasan.   Materials and Methods: This study was a descriptive analytic...