Emerging infectious diseases.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000818:Animals; D002044:Bunyaviridae Infections / Q000453:epidemiology*; D002648:Child; D004196:Disease Outbreaks; D006476:Orthohantavirus; D006801:Humans; D008171:Lung Diseases / Q000453:epidemiology*; D008875:Middle Aged; D015206:Southwestern United States / Q000453:epidemiology; D013577:Syndrome