نتایج جستجو برای: hepas b virus
تعداد نتایج: 1227013 فیلتر نتایج به سال:
conclusions the cell lines obtained in this work secreted potent, stable and specific anti-bv mabs, which were suitable for the development of herpes b virus diagnosis reagents. background herpes b virus (bv) is a zoonotic disease caused by double-stranded enveloped dna virus with cercopithecidae as its natural host. the mortality rate of infected people could be up to 70% with fatal encephalit...
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 ...
In order to identify predominant circulating types of infectious bronchitis(IB) virus in the period of 1999-2004 in Iran, samples(trachea, lung, kidney) from 150 various flocks showing respiratory signs suspected to be related to IB infection were inoculated to SPF eggs. Then allantoic fluids studied by RT-PCR and Nested PCR using group and type specific primers to probing Massachusset, 793/B...
Background Occult hepatitis B infection (OBI) is considered a risk factor for progression of liver disease in patients with hepatitis B virus (HBV) infection. This disease progression is reported to be more significant in those with concomitant HIV infection. We aimed to determine the prevalence rate of OBI in a sample of HIV-positive patients. Materials and Methods: Sixty-six HIV-infected pati...
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