Ovine hydatidosis: some immunological characteristics of the seronegative host.

Abstract

The immune status of a group of sheep naturally infected with hydatid cysts was investigated. Low specific anti-hydatid antibody (Sab) titres and negative results in intradermal and leucocyte migration tests occurred in hosts with high hydatid antigen-stimulated lymphocyte transformation (LT). Total (non-specific) IgG was elevated in infected sheep and was… (More)

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