This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Microbiology
[{'content': 'SARS is caused by novel variant of? \nSelect and explain. \nA. Pox virus, B. Toga virus, C. Coronavirus, D. Lyssa virus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Severe acute respiratory syndrome is caused by coronavirus type. SARS C/F Severe lower respiratory tract infection; Characterized by muscle pain, headache, sore throat Fever followed by the onset of respiratory symptoms mainly cough, dyspnea and pneumonia. There are six coronaviruses that can infect humans: Alpha coronaviruses 229E and NL63 Beta coronaviruses OC43, HKU1, SARS-CoV and MERS-CoV', 'role': 'assistant'}]