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
Total number of cases of guinea worm detected in 1999 are : 
Select and explain. 
A. zero, B. 7, C. 215, D. 315
A: zero
Answer: A: zero 
Explanation: Ans. is 'a'. Zero "India launched its national Guinea Worm Eradication Programme in 1984 with assistance from WHOThe country has reported zero case since August 1996.In Feb 2000 the international commission for the certification of Dracunculiasis Eradication recommended that India be certified free of Dracunculiasis transmission" - Park.