Genus which, with the true rickettsia, make up the tribe of the Rickettsieae. Coxiella differ from rickettsia in that they are filterable, and do not stimulate the production of Weil – Felix agglutinins.
A genus of rickettsia like microorganisms that cause disease in animals and man. They are smaller than rickettsiae, are transmitted by air-borne droplets or dust rather than by insects, and they produce diseases characterized by inflammation of the lungs, without a rash (compare typhus). The species C. burnettii causes Q fever.
A genus of bacteria of the order Rickettsiales.