As high school and college kids go back to school, mono season kicks into high gear. Mononucleosis, or mono for short, is the medical name for “the kissing disease.”

Watch the video to find out more about this virus, how it’s diagnosed and what to do if you have it.

Dr. Tyeese Gaines is a physician-journalist with over 10 years of print and broadcast experience, now serving as health editor for MSNBC’s theGrio.com. Dr. Ty is a practicing emergency medicine physician in New Jersey and clinical instructor of emergency medicine at Yale School of Medicine. Follow her on twitter at @doctorty.