Ricketts, Howard T.

Ricketts,

Howard T., U.S. pathologist, 1871-1910.

Rickettsia akari - a species causing human rickettsialpox.

Rickettsia australis - a species causing a spotted fever.

Rickettsia conrii - an African species probably causing boutonneuse fever.

Rickettsia prowazekii - a species causing epidemic typhus.

Rickettsia rickettsii - the agent of Rocky Mountain spotted fever.

Rickettsia sibirica - the agent of Siberian or North Asian tick typhus.

Rickettsia tsutsugamushi - a species causing tsutsugamushi disease and scrub typhus.

Rickettsia typhi - a species causing murine or endemic typhus fever.

rickettsial - pertaining to or caused by rickettsiae.

rickettsialpox - an acute disease caused by Rickettsia akari; transmitted by the mite.

rickettsiosis - infection with rickettsiae.

rickettsiostatic - an agent inhibitory to the growth of Rickettsia.