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
Filaria elimination is possible in South-East Asian region due to all of the following except: 
Select and explain. 
A. Humans are the only reservoir, B. Parasite does not multiply in the intermediate host mosquito, C. Larva multiply in human reservoir only, D. Infectious larva get deposited on skin but most of them die before penetrating
A: Humans are the only reservoir
Answer: A: Humans are the only reservoir 
Explanation: Ans. a. Humans are the only reservoir