This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': "Loefller's syndrome occurs in all except - \nSelect and explain. \nA. Toxocara, B. Toxocara, C. Toxocara, D. Giardia", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Giardia . Loeffler's 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 Loeffler's syndrome: - Ascaris - Toxocara - Ancylostoma duodenale - Nector americans - Paragonimus westermani - Strongyloides stercoralis - Echinococcus granulosus", 'role': 'assistant'}]