Tropical pulmonary eosinophilia is caused because of

Tropical pulmonary eosinophilia is
caused because of
a) Occult filariasis
b) Cerebral melaria
c) Penumonic plague
d) Asthmatic bronchitis
Correct Answer - A
Ans. is ‘a’ i.e., Occult filariasis
Occult filariasis is a rare condition which is caused by
hypersensitivity reaction to filarial antigen.
Micro filatia are absent in the blood.
Lymphatic filariasis is absent.
Indirect evidence of filarial infection is obtained by demonstrating
antifilarial antibodies