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Hymenolepis diminuta: Immunogenicity of the strobilate worm

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Mice were immunized against challenge withHymenolepis diminuta by feeding cysticercoids or by surgically implanting into the duodenum strobilate worms of different ages. Young worms stimulate stronger immunity than older ones, although the latter presents the host with a greater amount of strobilar tissue per unit time. An increase in the number of immunizing worms is associated with an increase in the level of protection. It is concluded that the development of functional immunity againstH. diminuta in mice has both quantitative and qualitative antigenic requirements; it is influenced by worm age and is independent of worm mass.

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Elowni, E.E. Hymenolepis diminuta: Immunogenicity of the strobilate worm. Z. Parasitenkd. 69, 501–505 (1983).

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  • Functional Immunity
  • Strong Immunity
  • Young Worm
  • Worm Mass
  • Antigenic Requirement