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': 'Disease under international surveillance by WHO- \nSelect and explain. \nA. Measles, B. Relapsing fever, C. Typhoid, D. Rubella', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Relapsing fever * At the international level, the following diseases are notifiable to WHO in Geneva under International health regulation -i) Choleraii) Plagueiii) Yellow fever} -These are notifiable diseases as well as under surveillance* Few other diseases are also subjected to international surveillance -i) Lause - born typhus feveriii) Poliov) Malariavn) Salmonellosisii) Relapsing feveriv) Influenzavi) Rabies", 'role': 'assistant'}]