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': 'Serum sickness is which type of hypersensitivity reaction: September 2011 \nSelect and explain. \nA. Type I, B. Type II, C. Type III, D. Type IV', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C: Type III Serum sickness is a systemic form of type III hypersensitivity', 'role': 'assistant'}]