NCIt definition : A species of aerobic, Gram negative, coccobacilli shaped bacteria in the phylum Proteobacteria.
This species is obligately intracellular, sporeforming, acidophilic, pleomorphic and
catalase positive. C. burnetti is pathogenic, being the causative agent of Q fever.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Coxiella burnetii.;