Maximum density of microfilariasis in blood is repoed to be between -: (A) 9 pm to 11 pm, (B) 10 pm to 2 am, (C) 8 pm to 10 pm, (D) 2 am to 5 am
Answer is B. <p> Filariasis:- Causative agent- W.bancrofti, B.malayi and B.timori. Man is definitive host. Mosquito is the intermediate host. Infective stage- microfilaria. The maximum density of microfilaria in blood is repoed between 10 pm-2am. Treatment- DEC. Filarial control in community. {Reference: park&;s textbook of preventive and social medicine, 23rd edition, pg no.274}</p>