56 out of 100
Diagnosis of occult filarisis can be made by-
|A||Demonstration of microfilariae in peripheral blood|
|B||Detection of antibody to larval antigen|
|C||Both of the above|
|D||Neither of the above|
Ans. B Detection of antibody to larval antigen
Occult filariasis is characterized by formation of antibodies to microfilarial antigens. Microfilaria do not reach blood but are destroyed in the tissues.