SpainRickettsia prowazekiiTyphus, Epidemic Louse-BorneBetulaceaeParietariaOleaceaeCupressaceaeTerrorismLeishmania infantumCitiesUrban HealthPrevalenceEmigrants and ImmigrantsGenotypeDisease OutbreaksCross-Sectional StudiesSequence Analysis, DNAPhylogenyUrban PopulationSocioeconomic FactorsDNA, BacterialCluster AnalysisRetrospective StudiesIncidenceRisk Factorsbeta-LactamasesPolymerase Chain ReactionAnti-Bacterial AgentsMicrobial Sensitivity TestsQuestionnairesInfant, NewbornHIV Infections