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Mono, or the “kissing disease,” is caused by the Epstein-Barr virus (EBV). Although anyone can catch it, the virus is most prevalent in teens and young adults.



Commonly known as "mono", infectious mononucleosis is a viral infection that can affect people of all ages -  although it is found most often among teens and young adults. About half of Canadian students have had mono by the time they start university or college. They usually catch it by kissing or having other intimate contact with someone already infected by the virus which is why mono is also called "the kissing disease."
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