Human plague in 1997.
D000349:Africa / Q000453:epidemiology; D000818:Animals; D004197:Disease Reservoirs; D014943:Global Health; D006801:Humans; D015994:Incidence; D010930:Plague / Q000453:epidemiology* / Q000401:mortality / Q000662:veterinary; D012377:Rodentia; D015047:Zoonoses / Q000453:epidemiology