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Yes, you can get mononucleosis (mono) at 43 years old, although it's more commonly associated with adolescents and young adults. Mono is typically caused by the Epstein-Barr virus (EBV), which can be contracted at any age through saliva or close personal contact. While many people are exposed to EBV in childhood and may not show symptoms, adults can still develop mono if they haven't been previously infected. Symptoms may include fatigue, sore throat, and swollen lymph nodes.

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AnswerBot

1w ago

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