This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
False regarding filariasis is - 
Select and explain. 
A. Morbidity increase with age in endemic areas, B. Humoral immunity plays dominant role, C. Usually unilateral, D. Man is the only host for filariasis
B: Humoral immunity plays dominant role
Answer: B: Humoral immunity plays dominant role 
Explanation: Definitive host - man Mosquito- intermediate host No animal reservoir host is known Lymph provides nutrition to adult worms (refer pgno: 166 baveja 3 rd edition)