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101. Picture of Infectious Mononucleosis

Infectious Mononucleosis Illustration
Image Source: MedicineNet, Inc.
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Infectious mononucleosis, or "mono," is a viral illness that most commonly occurs due to the Epstein Barr virus (EBV). The vast majority of people have evidence of prior EBV infection by the time they reach adulthood. The illness is less severe in young children. Teens and young adults may become very sick with mono and experience fever, swollen lymph nodes, sore throat, weakness, night sweats, loss of appetite, and severe fatigue. The illness may cause inflammation of the liver (hepatitis) and spleen enlargement. Mono is associated with an increased risk of spleen rupture, so it is advised to avoid contact sports until one is recovered. Mono is also known as the "kissing disease" because it is easily spread by saliva.

Image Source: MedicineNet, Inc.

Text Reference: "Mononucleosis." Family Doctor.

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