Question
A 67-year-old male presents to his healthcare provider with complaints of fever, chills, sore throat, headache, and shortness of breath for two days. He has no history of smoking and no contact with anyone with similar symptoms. On physical examination, his pulse is 86/min, blood pressure 118/78 mmHg,temperature 100.4 F, and respiratory rate is 22/min. After extensive evaluation including reverse transcriptase polymerase chain reaction test (RT-PCR) and viral assays, the causative agent is discovered. The virus is known to be composed of matrix proteins and can be transferred by birds to humans. To which of the following genera does the causative agent belong?
| A. | Influenza virus A |
| B. |
Influenza virus B |
| C. |
Influenza virus C |
| D. |
Thogotovirus |
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