Abstract
Cell-mediated immune responses were evaluated after immunization in two inbred mouse strains, CBA/H and BALB/c, that are respectively susceptible and resistant to infection with the yeast Candida albicans. Local immune responses, as measured by leucocytic infiltration into the draining lymph node, were similar; however, both delayed-type hypersensitivity responses and candida-specific lymphocyte proliferation in vitro were significantly stronger in the resistant strain. The response was controlled by genes mapping outside the major histocompatibility complex. A possible explanation for the down regulation of the immune response in CBA/H mice is discussed.

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