SpainRickettsia prowazekiiTyphus, Epidemic Louse-BorneBetulaceaeParietariaOleaceaeTerrorismCupressaceaeLeishmania infantumCitiesUrban HealthPrevalenceEmigrants and ImmigrantsGenotypeUrban PopulationDisease OutbreaksSocioeconomic FactorsCross-Sectional StudiesSequence Analysis, DNACluster AnalysisRetrospective StudiesDNA, BacterialPhylogenybeta-LactamasesPolymerase Chain ReactionRisk FactorsIncidenceHIV InfectionsChronic DiseaseAnti-Bacterial AgentsMicrobial Sensitivity TestsInfant, NewbornQuestionnairesTime FactorsMolecular Sequence Data