Medicine False statement for Pyrexia of unknown origin: A Cause unknown despite more than 3 days of hospitalization B Cause unknown even after 3 OPD visits C Fever persisting after 1 month of regular treatment D Usually, fever more than 38.3 degree Celsius 💡 Explanation False statement for Pyrexia of unknown origin: ✓ Correct Answer: C. Fever persisting after 1 month of regular treatment