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': 'True about Dracunculiasis except - \nSelect and explain. \nA. No animal Reservoir, B. Man is intermediate host, C. India has eradicate the diease, D. Limited to tropical and subtropical region', 'role': 'user'}, {'content': "Answer: B \nExplanation: - drancunculiasis is caused by drancunculus medinensis. - temperature ourable is 25-30degC and will not develop below 19degC. Thus diseases is limited to tropical and subtropical regions. - India was declared free of guineaworm disease and the last case repoed was in July 1996. -reservoir of infection is infected person. Animal reservoir is may exist but not yet proved. - humans are definitive host and Cyclops are the intermediate host. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no :245 <\\p>", 'role': 'assistant'}]