Viral Infection
Current as of: June 9, 2019
Author: Healthwise Staff
Medical Review:E. Gregory Thompson, MD - Internal Medicine & Adam Husney, MD - Family Medicine & Elizabeth T. Russo, MD - Internal Medicine
A viral infection is caused by a virus and is often the cause of minor illness, such as a cold or the stomach flu. A viral infection usually causes many different symptoms that often come on quickly (over hours to a day or two) without prior illness. Viral infections that cause minor illnesses are usually not serious…