Gene/Protein Disease Symptom Drug Enzyme Compound
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Samples of serum, tissue and faeces from two pig herds in England were examined for hepatitis E virus by reverse-transcriptase PCR (RT-PCR), and a virus strain from each herd was partially sequenced. Eleven of 42 faecal samples and 16 of 21 tissue samples from two pigs were positive for the virus by RT-PCR. Analysis of two unique but closely related nucleotide sequences obtained from the two herds showed that the viruses clustered in genotype III (6) with a human strain of the virus from an autochthonously acquired case of acute hepatitis in the UK. An ELISA based on recombinant open reading frame 2 (ORF-2) was used to detect antibodies to hepatitis E virus in 256 pig sera from the UK; 85.5 per cent of the samples were positive, compared with 58 per cent of similar samples from Swedish pigs and 23.5 per cent of samples from Dutch pigs.
Vet Rec 2004 Feb 21
PMID:Evidence for the presence of hepatitis E virus in pigs in the United Kingdom. 1500 46

Five faecal samples were collected from four different stages of production at each of 10 pig farms in the Yorkshire Humberside area of the UK, and samples of slurry were collected from nine of the farms. All the samples were tested for hepatitis E virus (HEV) RNA by a nested reverse transcriptase PCR. At least one sample from the pigs on each of the farms tested positive for hev; its prevalence in the 10 herds varied from 5 per cent to 35 per cent and its mean prevalence was 21.5 per cent. The mean prevalence in pigs aged three to five weeks was 26.0 per cent, in pigs aged 10 to 12 weeks 44.0 per cent, in pigs aged 22 to 24 weeks 8.9 per cent, and in adult dry sows 6.0 per cent. Two of the nine slurry lagoons tested positive for HEV RNA. Phylogenetic analysis of the sequence data indicated that the strains of the virus were of genotype 3 and closely related to strains detected in other pigs and in human beings in the UK.
Vet Rec 2008 Aug 30
PMID:Excretion of hepatitis E virus by pigs of different ages and its presence in slurry stores in the United Kingdom. 1875 2