Rickettsial disease are of 2 types – typhus group and spotted fever group.

Typhus group:

• Epidemic typhus / Classic typhus / louse borne typhus / gaol fever – Rickettsia prowazekii
• Edemic typhus / murine typhus / fleaborne typhus – Rickettsia typhi

Spotter fever group:

• Rocky mountain spotted fever – Rickettsia rickettsii
• Oriental spotted fever – Rickettsia japonica
• Rickettsial pox – Rickettsia akari

1. Brill-Zinsser disease
2. Weil Felix Reaction
3. Oroya fever
4. Bartonella quintana