The S protein of hepatitis B virus is the principal component of virus envelope and the primary target of anti-HBs response. Mutants or variants that escape neutralization by anti-HBs have been selected during immunoprophylaxis of HBV after birth and liver transplantation. We investigated a case of a Korean child who was vaccinated at birth against hepatitis B and also given hepatitis B immunog...

Hepatitis A (HAV) infection is caused by the hepatitis A virus which is transmitted through the fecal-oral route. Life long protective antibodies are present after infection. The number of cases of adult hepatitis A has progressively been increasing during the last several decades in Bangladesh. In addition, the pattern of age-specific seroprevalence of anti-HAV has changed with economic growth...

prison inmates are among the high risk population for dangerous infections such hiv, hbv, hcv and other contagious diseases. in spit of many data about the prevalence and risk factors for blood born diseases among prisoners in the world, such data are spares from iran. the aim of this study was to determine the prevalence and associated risk factors for hiv, hbv, hcv and hdv infections among a ...

background: homeless people are at a higher risk of blood-born infectious diseases. the aim of this study was to estimate the prevalence of hiv, hbv, hcv and related risk factors among male homeless people. study design: a cross-sectional study. methods: this study was conducted in khorramabad city, western iran from january to june 2015. a pre-designed validated questionnaire was used to colle...

background: hepatitis b virus (hbv) vaccination is a well-known, safe and effective way for protection against hbv infection; however, non-responders remain susceptible to infection with hbv. this is so important in patients with any kind of chronic liver disease, especially chronic hepatitis c virus (hcv) patients in whom acute hbv infection may lead to decompensation of liver disease. some of...

results the tt virus infection was significantly found in 40 of 95 (42.1%) and 12 of 100 (12%) patients with leukemia and controls, respectively. the hbs-ag and hcv-ab were detected in 27 of 95 (28.4%) and 18 of 69 (26.1%) patients with leukemia but were not found in the controls. active cmv infection was also found in 11 of 69 (16%) patients and none of the controls. significant co-infection o...

background although it is life-saving, blood transfusion therapy has resulted in risk for transfusion-transmitted infections (ttis) in the majority of sickle cell anemia being patients. objectives the current study aimed to determine the prevalence of hbv, hcv and different genotypes of hcv among sickle cell anemia (sca) patients in ahvaz city, south-western iran. materials and methods a cross-...

today, chronic viral hepatitis is considered as a public health problem in the world. totally, 5% of the world population, especially in asia and africa suffer from this problem. the prevalence of acute hepatitis in america is 0.1-0.2 percent, 50% of those with hepatitis c (hcv) and 5-10% of them with hepatitis b (hcv) develop chronic hepatitis. determining hbv and hcv genotypes is important to...