This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
Loeffler&;s syndrome occurs in all except 
Select and explain. 
A. Toxocara, B. Stongyloides, C. Ascaris, D. Giardia
D: Giardia
Answer: D: Giardia 
Explanation: *Giardia lamblia -intestinal flagellate,causing intestinal infection. *Loeffler syndrome- inflammatory and hypersensitivity reaction in the lungs lead to cough ,fever, dyspnoea and eosinophilia *toxocara causes visceral larva migrans . ref:Baveja textbook of parasitology 3rd edition.