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
All the following are true regarding Dracunculiasis, EXCEPT: 
Select and explain. 
A. The parasites reach adulthood by 6 months, B. Control of cyclops help in the spread of the disease, C. Mebendazole and niridazole are effective in preventing the transmission of the disease, D. No effective vaccines are available to prevent the disease
C: Mebendazole and niridazole are effective in preventing the transmission of the disease
Answer: C: Mebendazole and niridazole are effective in preventing the transmission of the disease 
Explanation: Dracunculiasis has no diagnostic test for preclinical detection, no vaccine to immune at risk community and no drug to kill any stage of the parasite. The parasites reach adulthood by about 9 - 12 months. Ref: Park, Edition 21, Page - 223