This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'False about Pulse polio immunization is - \nSelect and explain. \nA. Mop up immunization is done in restricted geographical areas, B. It is carried out in all children less than 5 yrs of age, C. Mopping up is done in areas where wild polio virus is found, D. AFP surveillance is done in all children <5 years of age', 'role': 'user'}, {'content': "Answer: D \nExplanation: - pulse polio immunisation is simultaneous mass administration of OPV on a single day to all children below 5 years irrespective of previous immunisation. - mopping up involves door to door immunisation in high risk districts, where wild polio virus is known or still circulating. - AFP surveillance is done in all children below age of 15 years. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:209 <\\p>", 'role': 'assistant'}]