title: Immunologic responses and "altered reactivity" in syphilis.
mesh_terms: D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D006801:Humans; D007073:Immunoglobulin E; D013587:Syphilis / Q000276:immunology*; D013588:Syphilis Serodiagnosis; D013590:Syphilis, Congenital / Q000276:immunology; D005719:gamma-Globulins
chemical_list: D005719:gamma-Globulins; D007073:Immunoglobulin E