This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Social & Preventive Medicine
SSPE is a rare complication of 
Select and explain. 
A. Mumps, B. Measles, C. Rubella, D. Influenza
B: Measles
Answer: B: Measles 
Explanation: (B) Measles # SSPE: It is characterized by a history of primary measles infection usually before the age of 2 years, followed by several asymptomatic years (6-15 on average), and then gradual, progressive psychoneurological deterioration, consisting of personality change, seizures, myoclonus, ataxia, photosensitivity, ocular abnormalities, spasticity, and coma.> Pathologic changes are firstly observed in the white matter of the hemisphere.