Rickettsia akari Rickettsia ak·a·ri (āk’ə-rī’)
A bacterium that causes rickettsialpox in humans.
- Rickettsia australis
Rickettsia australis Rickettsia aus·tra·lis (ô-strā’lĭs) n. A bacterium causing a spotted fever that elicits the production of an antibody that is different from the one that reacts with other rickettsial species.
- Rickettsia conorii
Rickettsia conorii Rickettsia co·no·ri·i (kŏ-nôr’ē-ī’) n. A bacterium that causes boutonneuse fever in humans.
noun, plural rickettsiae [ri-ket-see-ee] /rɪˈkɛt siˌi/ (Show IPA), rickettsias [ri-ket-see-uh z] /rɪˈkɛt si əz/ (Show IPA) 1. any member of the genus Rickettsia, comprising rod-shaped to coccoid microorganisms that resemble bacteria but can be as small as a large virus and reproduce only inside a living cell, parasitic in fleas, ticks, lice, and mites and […]
- Rickettsial disease
noun 1. any of several acute infectious diseases caused by ticks, mites, or body lice infected with rickettsiae. The main types include typhus, spotted fever, Q fever, trench fever, and tsutsugamushi disease