This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Human Immunodeficiency Virus, Subject name: Microbiology
[{'content': 'Most common helminthic infection in AIDS is: \nSelect and explain. \nA. Trichuris trichiura, B. Strongyloides stercoralis, C. Enterobius vermicularis, D. Nector-americanus', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Strongyloides stercoralis (Ref: Paniker Parasitology,6th/e, p. 173)* Amongst the given options only stongyloides causes opportunistic infection in AIDS.* Generalised strongyloidosis may be seen in AIDS.* Protozoa causing opportunistic infection are: Toxoplasma gondii, Isospora belli, Cryptosporidium species.", 'role': 'assistant'}]