In which stage of filariasis are microfilaria seen in peripheral blood -: (A) Tropical eosinophilia, (B) Early adenolymphagitis stage, (C) Late adenolymphangitis stage, (D) Elephantiasis
Answer is B. Microfilaria appear in large numbers in peripheral blood at night Blood film should be made at night between 10 pm and 2 am (refer pgno:168 baveja 3rd edition)