All of the statement regarding measles are true except-
Rash appears first on leg
Koplik spot are seen on the buccal mucosa
Long term complication may be seen in form of SSPE
Caused by RNA virus
Rash begins behind the ear and spread rapidly in a few hours over the face and neck, and extends down the body taking 2 to 3 days to progress to the lower extremities. Ref: PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 23rd edition , Page:148
Communicable diseases