The following are multiple choice questions (with answers) about medical knowledge.   **Question:** The definition of pyrexia of unknown origin includes all except:   (A) Diagnosis requires fever persisting for 3 weeks   (B) Fever undiagnosed after 1 week of in-patient workup   (C) Absence of immunological compromise   (D) Temperature of 38.3degC or more
['(B) Fever undiagnosed after 1 week of in-patient workup <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Diagnosis requires fever persisting for 3 weeks \n (B) Fever undiagnosed after 1 week of in-patient workup \n (C) Absence of immunological compromise \n (D) Temperature of 38.3degC or more <> possible answers', '  The definition of pyrexia of unknown origin includes all except: <> context@']