نتایج جستجو برای: hepatitis b antigen
تعداد نتایج: 1105546 فیلتر نتایج به سال:
background: sen virus (senv) is the latest virus proposed as a cause of unknown hepatitis cases. among nine detected genotypes of the virus, genotypes d and h are more frequent in hepatitis cases of unknown origin. the aim of this study was to determine the frequency of senv-d and senv-h genotypes in the sera of healthy individuals and hepatitis b and c patients. methods: totally, 200 serum sam...
Diagnosis of Hepatitis B is important because of the its high prevalence. Recently PCR method , has found greater interest among different diagnostic methods. Several reports emphasis on some false negative results in those laboratories using PCR. The aim of this study was to compare three different procedures for HBV DNA extraction. &n...
Over a period of three and a half years, 348 consecutive children with acute hepatitis were studied. There were 205 boys and 143 girls aged from 3 months to 12 years old. The most common type was hepatitis A, of which there were 281 cases, 81% of the total; there were 41 in the under 4 years old age group (63% of that group), 99 in the 5-8 year old age group (87% of that group) and 141 in the 8...
Abstract Background & aim: Occult hepatitis B virus infection in blood donors threats the safety of the blood supply. It is characterized by detection of low viral DNA in the serum subjects who have negative test for Hepatitis B surface antigen (HBsAg). The aim of this study was to assess the prevalence of occult hepatitis B virus infection among HBsAg negative and HBcAb positive in blood ...
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