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
All are true statement about filaria except - 
Select and explain. 
A. Extrinsic incubation period of 10-14 days, B. Man is the intermediate host, C. Adults live in the lymphatics of host, D. No multiplication in the mosquito
B: Man is the intermediate host
Answer: B: Man is the intermediate host 
Explanation: - Man is the definitive host and mosquito the intermediate host in Bancroftian and Brugian filariasis. - Adults live in the lymphatic system of host. - The female worms in humans may give bih to as many as 50,000 microfilaria per day.No multiplication in the mosquito. - the extrinsic incubation period is 10-14 days . Reference : Park's textbook of preventive and social medicine, 23rd edition pg no:271 <\p>