An 83 year old patient has been ill the past couple of days with an upper respiratory infection. Her temperature has been elevated at 99.5 °F. Her daughter took her to the physician because of the patient's increasing shortness of breath, fatigue, and lack of appetite. The physician diagnosed a community acquired viral pneumonia and prescribed a 10 day days antibiotics regime.  The daughter asked the office nurse, Why is my mother being put on antibiotics if she has a virus? I thought antibiotics did not work for a virus.  How would the nurse explain this to the patient and her daughter

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