Review Question - QID 210056

A 45-year-old man presents to the emergency room with cough, dyspnea, and fever over the past 2 days. He also has substernal chest pain that worsens with inspiration. He recently recovered from a mild upper respiratory infection. His past medical history is notable for gout, hypertension, major depressive disorder, obesity, diabetes mellitus, and non-alcoholic fatty liver disease. He takes allopurinol, lisinopril, buproprion, and metformin. He works as a policeman and has a 25-pack-year smoking history. His temperature is 100.8°F (38.2°C), blood pressure is 150/75 mmHg, pulse is 108/min, and respirations are 22/min. On examination, he appears to be in mild distress but is cooperative and appropriately interactive. When the patient leans forward, a friction rub can be heard at the left lower sternal border. A basic metabolic panel is within normal limits. This patient’s condition is most likely caused by which of the following types of pathogens?