811 W. John Street, Yorkville, IL 60560
For 24/7 Mental or Public Health Emergencies, call 630-553-9100
Mon 8:30am - 4:30pm  •  Tue - Thu 8:30am - 7:00pm  •  Fri 8:30am - 4:30pm

Infectious Mononucleosis





Epstein-Barr Virus

Signs and Symptoms

Symptoms mimic those of many other infectious diseases. Headache, malaise, fever, fatigue, sore throat, enlarged lymph nodes in neck; an enlarged liver and spleen may develop. Sometimes there will be a rash.

Incubation Period

Four to six weeks.

Mode of Transmission

Communicable before symptoms develop. Spreads from person-to-person by oral-pharyngeal route via saliva.

Period of Communicability

May prolong for up to 1 year or more.

Preventive Measures

Provide health education on modes of transmission and the use of Universal Precautions.

Exclusion is not required.

Implications for School

For a mild case of mononucleosis, some healthcare providers are now recommending that students return to school with limited activities. Rest is often recommended as treatment for students having a severe case. A health care provider recommends when a student may return to school and if any activities should be limited. A healthcare provider’s note is required if student is to remain at home. Student’s parents should be advised about the Hospital Homebound Program if the student will be out for a significant period of time. Report confirmed cases to Student Health Services #___________________.

Serving the Residents of Kendall County Since 1966
811 W. John Street, Yorkville, IL 60560   •   630-553-9100