Not unexpected: Some viral infection may cause a lingering cough for many weeks and the length of symptoms is not necessarily linked to your immune status but more to the virulence of the virus. To reduce the risk of catching a viral infection, wash your hands (or using sanitizer) before you eat or touch your face. If you fly, wipe clean the tray table, arm rest, and controls . Avoid sharing food or drink.
Answered 9/13/2018
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