傳染性的英語翻譯：

infectivity
【醫(yī)】 communicability; infectiousness; infectivity; transmissibility

斑疹傷寒的英語翻譯：

ship fever
【醫(yī)】 camp fever; exanthematous typhus; febris hungarica; febris nosocomialis
gaol fever; gaol-fever; Hildenbrand's disease; hospital fever
jail fever; macular fever; mite fever; prison fever; ship fever; typhus
typhus fever; war fever