Epstein-Barr Virus and Infectious Mononucleosis. (англ.). National Center for Infectious Diseases. — «In the United States, as many as 95% of adults between 35 and 40 years of age have been infected. Infants become susceptible to EBV as soon as maternal antibody protection (present at birth) disappears». Архивировано 20 апреля 2012 года.
Epstein-Barr Virus and Infectious Mononucleosis. (англ.). National Center for Infectious Diseases. — «In the United States, as many as 95% of adults between 35 and 40 years of age have been infected. Infants become susceptible to EBV as soon as maternal antibody protection (present at birth) disappears». Архивировано 20 апреля 2012 года.