This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2018, Subject name: Pediatrics
[{'content': 'Most common infection in PANDAS:- \nSelect and explain. \nA. Streptococcus pyogenes, B. Staphlococcus aureus, C. Streptococcus pneumoniae, D. Mycobacterium tuberculosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: PANDAS Pediatric Autoimmune Neuropsychiatric Disorders Associated With Streptococcus pyogenes A group of neuropsychiatric disorders(eg obsessive-compulsive disorder, tic disorder, and tourette syndrome) for which a possible relationship with GAS infection has been hypothesized. This subset of patients may produce autoimmune antibodies in response to a GAS infection that cross react with brain tissue.', 'role': 'assistant'}]