Koplik spots is a feature of -: (A) Rubella, (B) Measles, (C) Tetanus, (D) Mumps
Answer is B. Presence of Koplik&;s spot is pathognomic of measles. They are like table salt crystals appear on buccal mucosa opposite the first and second lower molars. Ref: PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 23rd edition pg 147