This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
[{'content': 'Infection occurring after man&;s bite is \nSelect and explain. \nA. Spirochetes, B. Staphylococcus, C. Anaerobic streptococci, D. Candida', 'role': 'user'}, {'content': "Answer: B \nExplanation: Staphylococcus infection - human patients and carriers are the commonest sources of infection. About 10- 30% healthy person carry bacterial in the nose, skin, axilla, perineum and throat. Ref: Textbook of microbiology; Ananthanarayan and paniker's 10th edition; Pg:205", 'role': 'assistant'}]