Mononucleosis, often called "mono" or the "kissing disease," is a viral infection caused by the Epstein-Barr virus (EBV). It spreads through saliva, which is why it is common among teenagers and young adults who share drinks, utensils, or engage in close contact. One of the biggest concerns people have after being exposed to someone with mono is how soon symptoms will appear. Understanding the incubation period, symptoms, and contagious timeline can help you take the ...
