Rickettsia prowazekiiTyphus, Epidemic Louse-BorneRickettsiaRickettsia InfectionsRickettsia typhiRickettsia rickettsiiPhthirapteraPediculusRickettsia felisRickettsial VaccinesMitochondrial ADP, ATP TranslocasesRickettsia conoriiTriosesRickettsiaceaeCitrate (si)-SynthaseL Cells (Cell Line)Lice InfestationsSciuridaeRocky Mountain Spotted FeverTrench FeverTyphus, Endemic Flea-BorneBartonella quintanaGenes, BacterialBoutonneuse Fever