Can you get mono more than once?

More than one cause: Traditional mononucleosis describes a flu like illness with fever, swollen glands & the appearance of monocytes ( a white blood cell type) in the blood. About 90% of cases are caused by the eb virus, a member of the herpes virus family.Once experienced, immunity should be lifelong. Other agents like CMV virus, toxoplasma gondii, & adeno virus can cause a similar illness.

Yes: Mono is caused by the ebv virus. Once a person catches ebv, it seems to stay in one's body, and can re-activate to cause mono-like symptoms more than once. Staying healthy & happy, eating a balanced diet, and getting reasonable exercise, etc... May help keep one's immune system in top shape, to keep the ebv virus suppressed. Occasionally, other germs can cause a "mono-like" illness.

Mono: Usually you can have a relapse of symptoms with or without complication, .

Saliva: Mono is an infection by epstein barr virus. The virus is spread through saliva. It may also be acquired through blood transfusion. For details see the site below. http://www.medicinenet.com/infectious_mononucleosis/page3.htm#how_is_mono_transmitted_or_spread.

Saliva: Infectious mononucleosis (mono) is often called kissing disease. Virus causing mono is transmitted through saliva, so you can get it through kissing, but you can also be exposed through a cough or sneeze, or by sharing a glass or food utensils with someone who has mono. However, mononucleosis isn't as contagious as some infections, such as the common cold.