Background and Aims: Human parvovirus B19, a member of the parvoviridae family, with single-stranded DNA is a very minute non-enveloped virus. B 19 virus is mostly transmitted via the respiratory tract but some studies have been reported which B19 virus can be transmitted through blood and/or blood products. The aim of this study was to evaluate the prevalence of B19 among blood donors in Tehra...

dna coding for the core antigen from hepatitis b virus (hbcag) was amplified, cloned and propagated in e. coli. the core protein was expressed in e. coli and the product was readily detected by western blot. this protein can be used as a diagnostic material in serum screening tests. to increase the level of expression of this antigen in bacteria, two plasmids were constructed in which the gene ...

Background: HIV infected persons are also at risk for Infection with other pathogens, like Hepatitis B virus (HBV) and Hepatitis C virus (HCV). One of the main steps in the planning of treatment and prevention is the study of the HIV positive population who have HBV and/or HCV infection. The objective of this study was to determine the prevalence of HIV and Hepatitis B and C dual infection in ...

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conclusions our study suggested that the prevalence rate of hepatitis c virus is below 1% in the general population of mashhad. results in this study the overall seroprevalence of hepatitis c was founded to be 0.2% by using elisa method. however, the overall hepatitis c virus infection prevalence was found to be 0.13% with rt-pcr method. patients and methods three thousand, eight hundred and se...

results patients’ age ranged from 15 to 65 years (mean = 35.54 ± 14.85). thirty four (1.0%) of the subjects were positive for hbsag, of whom, 2.9 % (1 of 34 cases) were also positive in pcr-based screening. elisa tests for hbeag, hbeab, and hbcab igm were positive in one (2.9 %), 27 (79.4%) and one (2.9 %) cases, respectively. conclusions according to our results, hbsag was positive in 0.53 of ...

background : to analyze serologic markers of hepatitis g virus (gbv-c) infection in iranian blood donors and two major groups of multitransfused patients, hemophiliacs and thalassemics. methods :nine hundred and five serum samples collected from the volunteer blood donors and two patient groups under the study were tested for the presence of antibodies to the gbv-c antigen (anti e2 ) by an elis...

Introduction: Hepatitis B virus is a virus that creates significant hepatic and extra-hepatic complications, with widespread prevalence across the community and body systemic involvement, and can impact on hearing performance. This study aims to evaluate hearing loss among individuals with hepatitis B compared with healthy subjects.   Materials and Methods: In this case-control study, 83 HBsAg-...

OBJECTIVE The aim of this study was to determine the prevalence rate of hepatitis A virus (HAV) and the socio-epidemiological factors affecting HAV among children aged 0-18 years in Eastern Turkey. MATERIALS AND METHODS The study sample consisted of 226 children aged 0-18 years who were registered at the Pediatrics Department of Atatürk University Medical Faculty for any reason except jaundic...