This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Which of the following is not included in the SAFE strategy? \nSelect and explain. \nA. Surveillance, B. Antibiotics, C. Facial hygiene, D. Environmental modification', 'role': 'user'}, {'content': "Answer: A \nExplanation: In order to deal with the blindness caused by trachoma, the WHO has declared the SAFE strategy which includes the following: S - Surgery A - Antibiotics F - Facial hygiene ( Face washing) E - Environmental modification Surveillance is not included in the SAFE strategy. Ref: Park's Textbook of Preventive and Social Medicine 19th edition; pages 258 - 260; Parson's Textbook of Ophthalmology 19th Edition, Page 595", 'role': 'assistant'}]