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On the basis of primary sequence comparisons and secondary structure predictions, picornavirus internal ribosome entry segments (IRESes) have been divided into three groups (entero- and rhinoviruses; cardio- and and aphthoviruses; and hepatitis A virus). Here, we describe a detailed comparison of the ability of IRESes from each group to direct internal(More)
From 1996 to 2002, hepatitis C virus (HCV) typing was prospectively performed for 1,281 unselected HCV-infected and viremic patients, irrespective of their clinical status. Eighty-three patients (6.5%) were coinfected with human immunodeficiency virus (HIV) and HCV. A total of 1,195 strains were identified by a serotype screening (Murex HCV Serotyping 1-6(More)
The activity of glutaraldehyde (GTA) against capsid proteins of poliovirus type 1 and echovirus type 25 was studied to understand the mode of action of this reagent against enteroviruses. The viruses were treated with GTA concentrations ranging from 0.005 to 0.10%. In the poliovirus particles, high-molecular-weight products were formed by 0.05% GTA, whereas(More)
Human echovirus types 6 (E-6) and 30 (E-30) cause seasonal epidemics of aseptic meningitis. These two enteroviruses are frequently observed in co-circulation, an epidemiological pattern that is prerequisite for the occurrence of dual infections, which can lead to recombination between co-infecting virus strains. Viral sequences were determined at loci 1D(More)
Hand, foot and mouth disease (HFMD) and herpangina (HA) are frequently caused by several distinct serotypes belonging to the human enterovirus A species (HEVA). Enterovirus 71 is considered as a significant public health threat because of rare but fatal neurological complications. A sentinel surveillance system involving paediatricians from Clermont-Ferrand(More)
BACKGROUND Acute enterovirus (EV) meningitis is a major cause of hospitalization among adults and children. It is caused by multiple EV genotypes assigned to 4 species (EV-A, EV-B, EV-C, and EV-D). METHODS We determined viral loads in the cerebrospinal fluid (CSF) of 156 patients of all ages with EV meningitis during a 5-year observational prospective(More)
Enterovirus infections were investigated with special emphasis on performing rapid molecular identification of enterovirus serotypes responsible for aseptic meningitis directly in cerebrospinal fluid (CSF). Enterovirus genotyping was carried out directly with specimens tested for the diagnostic procedure, using two seminested PCR assays designed to amplify(More)
The aim of this study was to assess the presence and seasonal frequency of various enteric viruses in wastewater treatment. The detection of astrovirus, norovirus, enterovirus, hepatitis A virus (HAV) and rotavirus was carried out by molecular analyses in concentrated water samples collected over 18 months at the entrance and exit of an activated sludge(More)
BACKGROUND About 100 serotypes of human rhinovirus (HRV), classified into two species, have been identified by 1990. Uncultivable HRV variants have recently been identified and designated a new species. Recent improved diagnosis has led to a re-appraisal of the clinical impact of HRV infections in lower respiratory diseases. OBJECTIVES To characterise(More)
Enteroviruses (EV) are the main etiological agents of aseptic meningitis. Diagnosis is made by detecting the genome using RT-PCR. The aim of the study was to evaluate the impact of a positive diagnosis on the management of infants, children, and adults. During 2005, 442 patients were admitted to hospital with suspected meningitis. Clinical and laboratory(More)