Parasites in the Immunized Host: mechanisms of survival -- Contents -- Introduction -- The immune response to parasites -- Discussion -- Genetics of antigenic variation in Paramecium: a model system -- Discussion -- Antigenic variation and immunity to malaria -- Discussion -- Antigenic variation in African trypanosornes -- Discussion -- Antigenic variation in the nematode Nippostrongylus brasiliensis -- Discussion -- Immunological spectra in infectious diseases -- Discussion -- Immunodepression produced by malarial infection in mice -- Immunosuppression in malaria and trypanosomiasis -- Discussion of the two preceding papers -- Host antigens and the immune response in schistosomiasis -- Discussion -- Soluble antigens as blocking antigens -- Discussion -- Interactions in vitro between Toxoplasma gondii and mouse cells -- Discussion -- Survival and death of Leishmania in macrophages -- Discussion -- Modulation of immunopathology in schistosomiasis -- Discussion -- Conclusions -- Index of contributors -- Subject index.