Mononucleosis, or infectious mononucleosis (“mono”), is a very contagious viral infection that most commonly affects teenagers and young adults, but it can affect children, as well.

Nov 30, 2022 · Infectious mononucleosis (mono) is often called the kissing disease. The virus that causes mono (Epstein-Barr virus) is spread through saliva. You can get it through kissing, but you …

May 9, 2024 · Learn about mono symptoms, how it's spread, and how to prevent it.

Feb 25, 2026 · Mono develops in four main stages, from incubation to full recovery. Find out what symptoms appear and how long they last.

Apr 30, 2024 · Mononucleosis is an infectious illness that’s usually caused by the Epstein-Barr virus (EBV). It’s also called mono or "the kissing disease." It's commonly spread through saliva. You can …

Infectious mononucleosis (IM, mono), also known as glandular fever, is an infection usually caused by the Epstein–Barr virus (EBV). [2][3] Most people are infected by the virus as children, when the …

Jan 22, 2026 · Mononucleosis (mono) causes symptoms like fatigue, sore throat, and swollen lymph nodes. Some people may also have a fever, abdominal pain, and rash.

Jul 31, 2025 · What Is Mono? Mono, or infectious mononucleosis, is a contagious illness most commonly caused by the Epstein-Barr virus, a member of the herpes virus family.

“ Mono ” (infectious mononucleosis) is a contagious infection that can cause fever, sore throat, fatigue, and enlarged lymph nodes in the neck. Commonly called “the kissing disease,” mono often affects …

What causes mono? Infectious mononucleosis is caused by the Epstein-Barr virus (EBV). A milder form is caused by the cytomegalovirus (CMV). Both EBV and CMV are members of the herpes virus …