Microbes ever marching.
D000818:Animals; D002044:Bunyaviridae Infections / Q000453:epidemiology* / Q000382:microbiology; D004196:Disease Outbreaks; D004197:Disease Reservoirs; D006476:Orthohantavirus; D006801:Humans; D007198:Indians, North American; D012128:Respiratory Distress Syndrome / Q000453:epidemiology* / Q000382:microbiology; D012377:Rodentia / Q000382:microbiology; D015206:Southwestern United States / Q000453:epidemiology; D014481:United States / Q000453:epidemiology