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Hepatitis C virus genotype 4 (HCV-4) infection is progressing in Europe, where epidemiology and sustained virological response (SVR) seem to be different than in the Middle East. We analysed epidemiological features and SVR rates in a retrospective study of 1532 HCV-4-infected patients, including 1056 patients infected in France, 227 immigrants infected in(More)
Hepatitis delta virus (HDV) can cause severe acute and chronic liver disease in patients infected by hepatitis B virus. Interferon alpha at high doses, although poorly efficient, is the only treatment reported to provide some benefit in chronic hepatitis delta. Pegylated interferon alpha (PEG-IFN) has not yet been evaluated. Treatment is usually monitored(More)
Currently, three genotypes of hepatitis delta virus (HDV) are described. The most common, genotype I, has a worldwide distribution; in contrast, genotype II has been found previously only in Japan and Taiwan, while genotype III is found exclusively in South America. Considering the high prevalence of HDV in Northern Siberia (Russia), restriction fragment(More)
A national evaluation study was performed in 11 specialized laboratories with the objective of assessing their capacities to genotype hepatitis C virus (HCV) and define the applicability of a given genotyping method. The panel consisted of 14 samples positive for HCV RNA of different genotypes (including 3 samples with two different artificially mixed(More)
Hepatitis C virus (HCV) has been classified into six clades as a result of high genetic variability. In the Seine-Saint-Denis district of north-east Paris, the prevalence of HCV-4, which usually infects populations from Africa or the Middle East, is twice as high as that recorded for the whole of continental France (10.2 versus 4.5%). Although the(More)
Assays to determine the hepatitis C virus (HCV) genotype have recently become useful for clinical decision making and may be suitable for epidemiological investigations, such as identifying HCV outbreaks in a given population. Molecular assays are the most common diagnostic tools for HCV genotyping. This study compares two genome typing assays, one, the(More)
Hepatitis D virus (HDV) is a satellite of hepatitis B virus (HBV) for transmission and propagation and infects nearly 20 million people worldwide. The HDV genome is a compact circular single-stranded RNA genome with extensive intramolecular complementarity. Despite its different epidemiological and pathological patterns, the variability and geographical(More)
The aim of this study was to identify high-risk patients for hepatocellular carcinoma (HCC). Among 151 patients with histologically proven cirrhosis hospitalized from 1987 to 1990 and prospectively followed-up until June 1994, 31 developed HCC. We assessed the predictive value of 22 variables recorded at enrollment for HCC occurrence by the log rank test(More)
Molecular epidemiological studies of hepatitis C virus (HCV) in the Caribbean may help to specify the origin and spread of HCV infection. Indeed, the Caribbean population is intermixed from European and African origins and geographically close to the American continent. We characterized HCV genotypes in the Caribbean island of Martinique. HCV genotypes were(More)