The Centers for Disease Control and Prevention have documented only 47 cases from 1976 to 2010. According to the World Health Organization, the case fatality rate from<unk>  is about 1 out of every 5,000,000 people per year. All age groups are at risk for rickettsial infections during travel to endemic areas. The<unk>  group of infections has no sexual predilection. Scrub<unk> , which is transmitted by mites encountered in high grass and brush, is endemic in northern Japan, Southeast Asia, the western Pacific Islands, eastern Australia, China, maritime areas and several parts of south-central Russia, India, and Sri Lanka. R. typhi and R. felis, which are transmitted by fleas, are widely distributed, especially throughout the tropics and subtropics and in port cities and coastal regions with rodents.
Typhus epidemiology and demographics
Yaws epidemiology and demographics
Typhoid fever epidemiology and demographics
Lyme disease epidemiology and demographics
Ehrlichiosis epidemiology and demographics
Diphtheria epidemiology and demographics
Syphilis epidemiology and demographics
Anthrax epidemiology and demographics