Can Specific Heterologous Immunity Boost Hepatitis B Vaccine Responses?

can Isolated hepatitis B core antibody in HIV-infected patients response to hepatitis B vaccine help to elucidate the cause?

Persistence of immunity to hepatitis B vaccine as infants, 17 years earlier

Background: In Iran scince 1992, hepatitis B vaccination was a part of the national vaccination program. Hepatitis B vaccination is effective in the epidemiology of hepatitis B. The aim ofthis study was to evaluate the long – term persistence of immunity. Methods: This cross-sectional analytical study was conducted on children and adolescents aged between 6-18 years in Birjand, who recei...

Immunity to Hepatitis B Vaccine in Thalassaemic Patients based on the Time Passed from Vaccination

Background & Aims: Hepatitis B virus is one of the causes of acute and chronic hepatitis. Due to multiple hospitalization and blood transfusion, thalassaemic patients are at higher risk of this infection. Duration of the immunity after vaccination in this high-risk group and the need for booster vaccination is uncertain. The aim of this study was to find antibody titration and immunity to Hepat...

Immune responses to hepatitis B vaccine.

chronic carriers worldwide.1 The highest carrier rate is in Asia and Africa. 2 Chronic infection develops among 90% of newborns, 29-40% of children and 5-10% of adults.3 Patients with long-standing active liver disease are at high risk of developing liver cirrhosis and hepatocellular carcinoma.4 Hepatitis B virus is responsible for 80% of liver cancer cases in the world.5 Therefore, prevention ...

Discussion of Hepatitis B Vaccine: Prospects for Duration of Immunity

The duration of hepatitis B vaccine-induced immunity was studied in a group of 54 seronegative health professionals who received plasma-derived hepatitis B vaccine (Merck's Heptavax) in 1978 and 1979. Five to seven years later, 52 vaccinees received a booster dose of yeast recombinant hepatitis B vaccine (Merck's Recombivax). Of 54 vaccinees, 47 (87 percent) had a favorable anti-HBs response (g...