Mononucleosis, commonly known as “mono,” is often called the “kissing disease” because it spreads through saliva. It is caused by the Epstein-Barr virus (EBV), which is part of the herpes virus family. Many people wonder if mono can be passed from one person to another simply by breathing the same air. Understanding how mono spreads, symptoms, and treatments are essential for protecting your health and preventing infection. For same-day mono testing and treatment, visit the ...