Peer-reviewed veterinary case report
Differences in the pathogenicity of Chinese virulent genotype GIIa and GIIb porcine epidemic diarrhea virus strains and the humoral immune status of one- and two-month-old weaned pigs infected with these strains.
- Journal:
- Archives of virology
- Year:
- 2023
- Authors:
- Zhang, Liping et al.
- Affiliation:
- Lanzhou Veterinary Research Institute · China
Abstract
We evaluated differences in the pathology and humoral immune status in one- and two-month-old weaned pigs infected with virulent Chinese genotype GIIa and GIIb strains of porcine epidemic diarrhea virus (PEDV). All pigs infected with the GIIa strain developed severe diarrhea (100%), while the morbidity of the GIIb strain in one- and two-month-old weaned pigs was 80% (4/5) and 40% (2/5), respectively. There was no significant difference in IgA, IgG, or virus-neutralizing (VN) antibody levels associated with GIIa and GIIb in one-month-old weaned pigs (P > 0.05), but in two-month-old weaned pigs, the IgA, IgG, and VN antibody levels associated with GIIa were significantly higher than those associated with GIIb (P < 0.05).
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/36843047/