Mono is an infection caused by the Epstein-Barr virus and transferred through the saliva of an infected person to another; hence, named the kissing disease. Its early-stage symptoms are the exact symptoms of flu. This similarity makes it difficult for infected persons to discern between Mono and Flu. The Epstein-Barr Virus resides in the throat and is mixed with the saliva. Once the saliva gets into the system of another, it has a new host ...