<unk>  was declared eradicated in 1980 by the WHO.  The true incidence of<unk>  before its eradication is difficult to estimate due to poor reporting from endemic regions, which may have reported only 1-2% of the cases.  Children and young adults were the most often affected, especially in regions with low levels of immunity. There is no evidence of gender or race differences in the incidence of the disease. Developing countries had a higher incidence of the disease.
Smallpox epidemiology and demographics
Chickenpox epidemiology and demographics
Herpes simplex epidemiology and demographics
Ebola epidemiology and demographics
Yaws epidemiology and demographics
Lyme disease epidemiology and demographics
Herpes zoster epidemiology and demographics
Bejel epidemiology and demographics