title: USA: Mysterious respiratory illness.
authors.forename: H
authors.initials: H
authors.lastname: Nelson
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002044:Bunyaviridae Infections / Q000382:microbiology*; D006476:Orthohantavirus; D006801:Humans; D012128:Respiratory Distress Syndrome / Q000382:microbiology*; D015206:Southwestern United States