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
True about Dracunculiasis except - 
Select and explain. 
A. No animal Reservoir, B. Man is intermediate host, C. India has eradicate the diease, D. Limited to tropical and subtropical region
B: Man is intermediate host
Answer: B: Man is intermediate host 
Explanation: - 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>