R. prowazekii infection seldom disables the host machinery completely. The host mechanisms to contain Rickettsia prowazekii are like other rickettsial infections. [ncbi.nlm.nih.gov]

Cutaneous manifestations include rash and eschar, which both occur at varying incidence… Publisher Full Text linkinghub.elsevier.comjournals.elsevierhealth.comPMC Free Full TextPMC Free PDF Rickettsioses: Cutaneous findings frequently lead to diagnosis [unboundmedicine.com]

Rickettsial diseases are widely distributed throughout the world and are characterized by sudden onset of acute fever, skin eschars, headache, and, in cases of the fulminant disease, disseminated intravascular coagulation that leads to failure of the [jb.asm.org]

In response to hypovolemia, secretion of antidiuretic hormone causes hyponatremia. Increased vascular permeability in the pulmonary circulation causes noncardiogenic pulmonary edema. Thus, a picture of severe multi-organ system failure unfolds. [ncbi.nlm.nih.gov]

Pyruvate dehydrogenase (E1) consists of two subunits (α and β) in R. prowazekii, mitochondria and Gram-positive bacteria; the corresponding genes are clustered in the genome. [doi.org]

The titres of complement-fixing antibodies in the sera of patients with Brill's disease with the antigen of R. mooseri were lower than the titres with the homologous antigen within the range of 1-2 twofold dilutions of the serum. [ncbi.nlm.nih.gov]

Neorickettsia sennetsu (Misao and Kobayashi 1956) Dumler et al. 2001, comb. nov. Rickettsia sibirica Zdrodovskii 1948, species. Type strain: (see also Global Catalogue of Microorganisms ) 246 ATCC VR-151. [bacterio.net]