title: Historical and oecological observations on plague in the United States.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000818:Animals; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D004197:Disease Reservoirs; D004463:Ecology; D005260:Female; D049673:History, 20th Century; D006801:Humans; D008297:Male; D008875:Middle Aged; D010930:Plague / Q000453:epidemiology* / Q000266:history / Q000662:veterinary; D011817:Rabbits; D012376:Rodent Diseases / Q000453:epidemiology; D012621:Seasons; D012737:Sex Factors; D012959:Socioeconomic Factors; D014481:United States; D015047:Zoonoses / Q000453:epidemiology