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.
Symptoms:
Fatigue
Sore throat, perhaps a strep throat that doesn't get better with antibiotic use
Fever
Swollen lymph nodes in your neck and armpits
Swollen tonsils
Headache
Skin rash
Soft, swollen spleen
Preliminary plan:
General practitioner appointment
Complete blood count (CBC)
Reticulocyte count
Urinalysis
Stool analysis - Protozoans and Helminths (microscopy)