- CDC Travelers' Health Information on Typhus Fevers - Brief information from the U.S. Centers for Disease Control and Prevention.
- Epidemic Louse-Borne Typhus Fever - Information about the only rickettsial disease that causes explosive epidemics in humans. The fever, caused by Rickettsia prowazekii, is transmitted by the human body louse (Pediculus humanus corporis).
- Murine Typhus (Fleaborne Typhus) - FAQ from the Texas Department of Health.
- Scrub Typhus - Detailed information about this acute, febrile, infectious illness caused by Rickettsia tsutsugamushi and transmitted by trombiculid mites.
- Typhus - Information about all three types - epidemic louse-borne, scrub, and endemic (murine) typhus.
- Typhus Disease Profile - Brief information about louse-borne typhus.
- Typhus Fever (Flea-borne) Fact Sheet - FAQ from the Virginia Department of Health.
- Typhus: AHealthyMe.com - Factsheet on the four main types of typus.