[Verified Answer]: Case A: Jack is a 21-year-old complaining…

Case A: Jack is a 21-year-old complaining of a sudden onset of myalgia with his body aching all over and headache for the past day. He feels tired and has the chills, and his temperature was 100°F. He has a mild nonproductive cough. He denies rhinorrhea, sinus pain, nausea, otalgia, or shortness of breath. He reports exposure to sick contacts in his dorm, stating, “Everyone seems to be coughing and catching a cold or the flu.” Medications: none. Allergies: penicillin. Past medical history: healthy. Social history: college student, lives in a dormitory. Nonsmoker and drinks alcohol once a week, about two or three beers. Physical examination: vital signs – temperature 100°F; pulse 98 beats per minute; respirations 18 per minute; blood pressure 110/70 mmHg; pulse oximeter 98%. General: ill and tired appearance. Head, Eyes, Ears, Neck, Throat: unremarkable. Neck: no lymphadenopathy; negative Kernig sign, negative Brudzinski sign. Cardiovascular lungs, abdomen: unremarkable.