Microscopic PolyangiitisHemorrhagic Fever with Renal SyndromeHemoptysisWegener GranulomatosisVasculitisAntibodies, Antineutrophil CytoplasmicGlomerulonephritisPolyarteritis NodosaChurg-Strauss SyndromeHantaan virusHantavirusVasculitis, Leukocytoclastic, CutaneousSystemic VasculitisMyeloblastinPuumala virusAnti-Neutrophil Cytoplasmic Antibody-Associated VasculitisPeroxidaseHantavirus InfectionsSyndromePlasma ExchangeSkin Diseases, VascularMurinaeSeoul virusImmunosuppressive AgentsPrednisoloneIleal DiseasesCyclophosphamideMethylprednisoloneAdrenal Cortex HormonesHantavirus Pulmonary SyndromeHemorrhagic Fevers, ViralUlcerKidney DiseasesDisease ReservoirsHemorrhageGlucocorticoidsArvicolinaeLung DiseasesSerine EndopeptidasesMontenegroSloveniaBiopsyRecurrenceFluorescent Antibody Technique, IndirectChinaEnzyme-Linked Immunosorbent Assay