نتایج جستجو برای: hev genotype prediction
تعداد نتایج: 344726 فیلتر نتایج به سال:
conclusions the present findings reveal a relatively high presence of anti-hev iggs and clearly indicate that hev infection is still present in northern algeria. further, the prediction of hev genotype using different antigens generated from the different hev genotypes shows that the causative strains are more likely to be of genotype 1. background two hepatitis e virus (hev) outbreaks occurred...
BACKGROUND Two hepatitis E virus (HEV) outbreaks occurred in Algeria (1979 - 1980 and 1987 - 1988). However, to date, no study on the prevalence of anti-HEV antibodies has been conducted in Algeria, and the genotype of the circulating strains remains unclear. OBJECTIVES This study was conducted to investigate the presence of anti- HEV antibodies among outpatients and blood donors in three dif...
Hepatitis E virus (HEV) is a major cause of acute hepatitis in humans, and strains of genotypes 1 and 2 are endemic in many regions with suboptimal sanitary conditions. In many industrialized countries, HEV strains of genotype 3 are highly endemic in swine, and an increased number of autochthonous infections with HEV genotype 3 strains have been reported lately. Serological studies of HEV infec...
Hepatitis E virus (HEV) is an important pathogen. The animal strain of HEV, swine HEV, is related to human HEV. The genotype 3 swine HEV can infect humans and genotype 3 human HEV can infect pigs. The genotype 4 swine and human HEV strains are genetically related, but it is unknown whether genotype 4 human HEV can infect pigs. A swine bioassay was utilized in this study to determine whether gen...
Hepatitis E virus (HEV), the causative agent of hepatitis E, is an important public health concern in many developing countries. Increasing evidence indicates that hepatitis E is a zoonotic disease. There exist four major genotypes of HEV, and HEV isolates identified in samples from pigs belong to either genotype 3 or 4. Genotype 1 and 2 HEVs are found exclusively in humans. To determine whethe...
background hepatitis e virus (hev), a zoonotic pathogen, uses several species of animal as reservoirs. swine is considered as the major reservoir for hev infection in humans. genotype 4 hev is the dominant cause of hepatitis e disease in humans in china. objectives although many researches revealed that genotype 4 hev is the main genotype that prevalent in eastern china, few researches have don...
BACKGROUND Hepatitis E Virus (HEV), a zoonotic pathogen, uses several species of animal as reservoirs. Swine is considered as the major reservoir for HEV infection in humans. Genotype 4 HEV is the dominant cause of hepatitis E disease in humans in China. OBJECTIVES Although many researches revealed that genotype 4 HEV is the main genotype that prevalent in eastern China, few researches have d...
BACKGROUND The benefit of using serological assays based on HEV genotype 3 in industrialised settings is unclear. We compared the performance of serological kits based on antigens from different HEV genotypes. METHODS Taking 20 serum samples from patients in southwest France with acute HEV infection (positive PCR for HEV genotype 3) and 550 anonymised samples from blood donors in southwest Sw...
BACKGROUND A recent study provided evidence that farmed rabbits in China harbor a novel hepatitis E virus (HEV) genotype. Although the rabbit HEV isolate had 77-79% nucleotide identity to the mammalian HEV genotypes 1 to 4, their genomic organization is very similar. Since rabbits are used widely experimentally, including as models of infection, we investigated whether they constitute an approp...
conclusions to our knowledge, this is the first chronic case confirmed by the prolonged presence of hev rna in china. it is also the first reported persistent hepatitis e infection caused by hev genotype 4. case presentation here we report a chinese boy with acute lymphoblastic leukemia, who developed hepatitis e during a period of intensive chemotherapy. twenty months after the initial infecti...
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