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1.  Identification of HCV genotypes in HCV infected blood donors 
Indian Journal of Microbiology  2010;50(3):275-279.
HCV infection is a leading cause of chronic liver disease, including cirrhosis of the liver. There are at least six major genotypes and more than 50 subtypes of HCV. The prevalence and distribution of HCV genotypes depend on geographical location. The aim of this study was to identify and compare the HCV genotypes in HCV infected blood donors and patients. In this cross-sectional study, 167 serum samples from 103 blood donors and 64 patients with hepatitis C were investigated for HCV genotypes. HCV genotyping was carried out using type-specific primers from the core region of the viral genome. The highest frequency was for genotype 1a, with 53 and 34 (51.5% versus 53.1%) of subjects in blood donors and patients respectively. Genotype 3a and 1b were the other frequent genotypes with 4 and 16 (3.9% versus 25%) and 39 and 10 (37.9% versus 15.6%) subjects, respectively. There was not any statistical significant association between the place of infection of the patients and genotype. The results of this study indicate that the distribution of genotypes in the two populations was similar. The dominant HCV genotypes between blood donors and patients were 1a, 3a and 1b respectively.
PMCID: PMC3450055  PMID: 23100841
HCV; Genotypes; Blood donors; Patients
2.  Study on Efficacy of Hepatitis B Immunization in Vaccinated Beta-thalassemia Children in Tehran 
Iranian Journal of Pediatrics  2010;20(2):211-215.
In thalassemic children, HBV infection is common, thus immunization against HBV will reduce and prevent the rate of infection. The aim of this study was to evaluate the efficacy of HBV immunization and the prevalence of HBV infection in beta-thalassemic children in Tehran.
To assess the efficacy of immunization and determine the immune response of children with beta-thalassemia, sera of 99 children who had received three doses (10/20 µg) of recombinant HBV vaccine in months 0, 1, 6, were selected and tested for HBsAg, HBsAb and anti-HBc by ELISA method. Also, these sera were tested for HBV DNA using nested-PCR method.
In 99 beta-thalassemic children, 89 (89.9 %) were anti-HBs positive (responders) and 10 (10.1%) anti-HBs negative (non-responders). 3 (3.03%) were anti-HBc positive and 1(1.01%) was HBsAg positive. HBV DNA was not detected in any of them.
Our results have revealed that hepatitis B vaccine is highly immunogenic for thalassemic children and particularly well tolerated.
PMCID: PMC3446027  PMID: 23056706
Beta-thalassemia; Vaccination; Immunization Hepatitis B; Iran

Results 1-2 (2)