Getting Mono As An Adult I've Got Mono? But I'm an Adult! One of the problems of getting mono when you are an adult is that it's probably one of the last things that the doctor will think of testing for! Some people may be surprised to learn that they have mono. Mononucleosis is caused by the EBV. According to the Centers for Disease Control and Prevention (CDC), EBV is a member of the herpes virus family and is one of the most common viruses to infect Author: Jacquelyn Cafasso.
Mononucleosis is sometimes called “the kissing disease,” but kissing isn’t the only way you can get it. Learn from the experts at WebMD how to spot the signs of mono and get the right treatment. Apr 16, 2011 · Mononucleosis is a disease most often affecting people between the ages 12-40. When mono presents itself in an adult, the symptoms are usually just a fever that takes longer than normal to cease. A doctor may also mistake it for another illness or condition more common in adults, such as liver or gall bladder problems or even hepatitis.98%(43).