<unk>  mainly affects children in rural, warm, tropical areas, such as the Caribbean Islands, Latin America, West Africa, India, and Southeast Asia.
Yaws epidemiology and demographics
Chickenpox epidemiology and demographics
Listeriosis epidemiology and demographics
Smallpox epidemiology and demographics
Typhus epidemiology and demographics
Lyme disease epidemiology and demographics
Tuberculosis epidemiology and demographics
Chagas disease epidemiology and demographics