
Prevalence rate of infectious mononucleosis among patients in Spain in 2021, by age
the number of infectious mononucleosis cases registered in Spain totaled about 18.7 thousand.
In 2021, the number of individuals with infectious mononucleosis per 1,000 patients in Spain amounted to about 0.42 people. The most affected age group included individuals between the ages of 15 and 34, with a prevalence of 1.18 cases per thousand patients. Infants and children between 0 and 14 years old followed, with 0.88 patients per thousand individuals treated in primary health care services. That year,