Is often called the kissing disease. The virus that causes mono is transmitted through saliva, so you can get it through kissing, but you can also be exposed through a cough or sneeze, or by sharing a glass or food utensils with someone who has mono. However, mononucleosis isn't as contagious as some infections, such as the common cold.
Sore throat, perhaps a strep throat that doesn't get better with antibiotic use
Swollen lymph nodes in your neck and armpits
Soft, swollen spleen
General practitioner appointment
Complete blood count (CBC)
Stool analysis - Protozoans and Helminths (microscopy)