The incidence of<unk>  fever among developed countries such as the USA and Canada was approximately 20-40 per 100,000 individuals between 1970-1990 with<unk>  heart disease occurring sporadically. Over past two decades, the prevalence of<unk>  fever has decreased to 5-20 per 100,000 individuals in Canada and <5 per 100,000 individuals in the USA with no new cases of<unk>  heart disease.
Rheumatic fever epidemiology and demographics
Typhoid fever epidemiology and demographics
Kawasaki disease epidemiology and demographics
Lyme disease epidemiology and demographics
Rabies epidemiology and demographics
Relapsing fever epidemiology and demographics
Scarlet fever epidemiology and demographics
Diphtheria epidemiology and demographics