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  1. Mononucleosis - Symptoms & causes - Mayo Clinic

    Nov 30, 2022 · The virus that causes mono (Epstein-Barr virus) is spread through saliva. You can get it through kissing, but you can also be exposed by sharing a glass or food utensils with someone who …

  2. Infectious mononucleosis - Wikipedia

    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 …

  3. About Infectious Mononucleosis (Mono) | EBV and Mono | CDC

    May 9, 2024 · Key points Infectious mononucleosis, also called “mono,” is a contagious disease. Most people with mono get better in 2 to 4 weeks, but some may feel fatigued for several more weeks. …

  4. What Is Mono? Signs, Symptoms and Treatments | U.S. News

    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.

  5. Mononucleosis (Mono or the Kissing Disease) - Cleveland Clinic

    Jan 9, 2024 · 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.

  6. Mononucleosis (Kissing Disease): Symptoms and Treatment

    Apr 30, 2024 · What Is Mononucleosis? Mononucleosis is an infectious illness that’s usually caused by the Epstein-Barr virus (EBV). It’s also called mono or "the kissing disease."

  7. Infectious Mononucleosis - Harvard Health

    Jul 22, 2025 · Mononucleosis typically occurs when a person first is infected with Epstein-Barr virus. But infection with Epstein-Barr virus does not always cause mononucleosis.

  8. Mono: Causes, Symptoms, and Diagnosis - Healthline

    May 9, 2023 · Infectious mononucleosis, or mono, is commonly referred to as the “kissing disease” because it’s spread through saliva. Learn what causes mono and how it’s treated.

  9. Infectious Mononucleosis - Johns Hopkins Medicine

    Once a person has had mononucleosis, the virus remains dormant in the throat and blood cells for the rest of that person's life. They are usually not at risk of getting the illness again, unless their immune …

  10. Infectious Mononucleosis | Mono | Mono Symptoms | MedlinePlus

    Jun 10, 2024 · Infectious mononucleosis (mono), or "the kissing disease," is a viral infection. It is often caused by the Epstein-Barr virus (EBV), which can spread in saliva.