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? IM immunization: humoral IgG - no protection
? Secretory IgA - important in protective immunity and
viral clearance
? Oral immunization: develop IgA in mucosal secretions
- protective
? Protective IgA in colostrum
? Cell mediate immunity is also important
? High level of interferon production by infected
intestinal cells
? Need to differentiatewith TGE by lab test
? RT-PCR, Sequencing of S gene
? Immunohistochemistry(IHC), FA staining
? Serum neutralization test
? Specimen: intestine, feces, fecal swab, oral flu
id, serum for Ab
ODAprojectbetweenAPQA(Korea)andNCVD(Vietnam)
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-TrainingcourseforPorcineEpidemicDiarrheaandviraldisease

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