X is presenting with mild dry cough

X is presenting with mild dry cough, and no history of persistent dry/productive cough. Temperature is 36.3 degrees Celsius, and blood pressure is normal. Increased irritability on the surface of the skin, back pain/ache, pain/aching on other parts of the body such as ribs, muscle weaknesses, mild fatigue. appetite is normal. sensory smell level is about 70%. none of this has been observed: sore throat, diarrhea, nasal congestion, shortness of breath, chills, pink eye, and headache. Which physical examination should you carry out to diagnose X for covid-19? which tests can you order for X and why? Which therapy or therapies can you recommend to manage the symptoms?