What Are the Basics of Infectious Mononucleosis?

What is infectious mononucleosis?

Infectious mononucleosis, also called mono, refers to diseases usually caused by the Epstein-Barr virus (EBV). The virus is spread through saliva, and it typically occurs in teenagers. Many children after age 1 can have EBV infections. Once you have an EBV infection, you aren’t likely to get another one. Any child who gets EBV will probably be immune to mononucleosis for the rest of their life.

People with mononucleosis often have a high fever or a sore throat. Most cases of mononucleosis are not serious and usually go away on their own in one to two months.


What are the symptoms of mononucleosis?

The signs and symptoms of mononucleosis typically last for one to two months. In fact, mononucleosis is rarely threatening our life. The symptoms may include:

  • Fever
  • sore throat
  • swollen lymph glands in neck and armpits
  • muscle weakness
  • swollen tonsils

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