This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'Antibody elevated in parasitic infection - \nSelect and explain. \nA. IgA, B. IgE, C. IgG, D. IgM', 'role': 'user'}, {'content': 'Answer: B \nExplanation: IgE is to identify and neutralize pathogens such as bacteria, parasite, and viruses Ref: Ananthanarayan & Parkers textbook of microbiology 9th edition pg:98', 'role': 'assistant'}]