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': 'The following are true for Bordetella pertussis except- \nSelect and explain. \nA. It is a strict human pathogen, B. It can be cultured from the patient during catarrhal stage, C. It leads to invasion of the respiratory mucosa, D. Infection can be prevented by a acellular vaccine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]