<prompt> Loefllers syndrome occurs in all except -ToxocaraToxocaraToxocaraGiardia  <response>: Ans. is d i.e., Giardia . Loefflers syndrome was originally repoed as a benign, acute eosinophilic pneumonia of unknown cause characterized by migrating pulmonary infiltrates and minimal clinical manifestations. . It may be secondary to parasites or drugs. . Parasite causing Loefflers syndrome: - Ascaris - Toxocara - Ancylostoma duodenale - Nector americans - Paragonimus westermani - Strongyloides stercoralis - Echinococcus granulosus 