Plague VaccinePlagueYersinia pestisSiphonapteraYersinia pseudotuberculosisPore Forming Cytotoxic ProteinsHistory, MedievalMadagascarVirulenceYersiniaRodentiaBacterial ProteinsDisease ReservoirsHistory, 15th CenturyRodent DiseasesHistory, 17th CenturyAntigens, BacterialKazakhstanHistory, 16th CenturyYersinia pseudotuberculosis InfectionsSciuridaeAspartate Ammonia-LyaseBacterial Outer Membrane ProteinsVirulence FactorsYersinia InfectionsNew MexicoAntibodies, BacterialLethal Dose 50Asia, CentralPlasminogen ActivatorsYersinia enterocoliticaGene Expression Regulation, BacterialInsect VectorsHistory, 18th CenturyDisease OutbreaksGenome, BacterialHistory, 19th CenturyVaccines, SubunitHistory, AncientAphanomycesGenes, BacterialVaccines, AttenuatedBiological WarfareBioterrorismDNA, BacterialPlasmidsMolecular Sequence DataGerbillinaeHistory, 20th CenturyMice, Inbred BALB CClimate