results liver function tests in the healthy blood donors were within the normal range. the incidence rates of senv-d and senv-h in the 184 total blood donors were 10 (5.4%) (95% confidence interval (ci): 2.1% - 9.0%) and 32 (17.4%) cases (95% ci: 12.0% - 23.0%), respectively. senv-h/d co-infection occurred in 2 (1.1%) patients. the sera of 8/184 (4.3%) were positive for anti-hbc antibody but ne...

Background TT virus (TTV) hepatitis is an infectious disease which can have both hepatic and extrahepatic manifestations, and it is transmitted prevalently parenterally, and rarely by enteral way. The prevalence of TTV in donors in the USA is 1%, from 1.9-10% in Great Britain, in Japan 12%, in Thailand 7-30%, in Russia 10-20%, and in Brazil 62%. In patients with cryptogenic cirrhosis, the TTV w...

TT virus (TTV) is a recently discovered infectious agent originally obtained from transfusion-related hepatitis. However, the causative link between the TTV infection and liver disease remains uncertain. Recent studies demonstrated that genome sequences of different TTV strains are significantly divergent. To assess genetic heterogeneity of the TTV genome in more detail, a sequence analysis of ...

introduction: tt virus (ttv) is an unenveloped single-stranded circular dna virus. sensitive pcr (polymerase chain reaction) methods with primers designed for very conserved regions of the viral genome (utr) indicate high prevalence (> 90%) of ttv infection in general population of many countries world-wide. although there has been no evidence of its relation to any liver or other specific dise...

Torque teno virus (TTV) is prevalent worldwide and has been extensively studied in human and some wild and domestic animals. As the studies on TTV in chickens was rare and there was no information about the infection of domestic village chickens with TTV and also structural resemblance of this virus to chicken anemia virus, the frequency of the infection in domestic village chickens in differen...

Torque teno virus (TTV) is a single-stranded DNA virus that has been detected in serum of primate and non-primate species including swine. Little information on swine TTV infection and transmission dynamics is nowadays available. The goal of this study was to gain insight into the potential role of the sow in transmitting TTV to piglets and the infection dynamics of both swine TTV genogroups (T...

introduction: transfusion-transmitted infections (tti) continue to be a major challenge for blood transfusion organizations in the world and multi- transfused patients (mtps) are at higher risk of infection. htlv-1 is a retrovirus that easily transmitted via blood cell products. the aim of this study is determine the seroprevalence of htlv-1 in major thalassemic patients from kermanshah provinc...

torque teno virus (ttv) is prevalent worldwide and has been extensively studied in human and some wild and domestic animals. as the studies on ttv in chickens was rare and there was no information about the infection of domestic village chickens with ttv and also structural resemblance of this virus to chicken anemia virus, the frequency of the infection in domestic village chickens in differen...

Anellovirus is a recently created, floating genus of viruses. Torque teno virus (TTV), the type species in the genus, was first discovered in a human patient with a post-transfusion hepatitis of unknown aetiology. Recently, TTV genetically related to but distinct from those discovered in humans have also been found in animals, including pigs. The aims of this study were to estimate the prevalen...