Murine typhus fever and rat ectoparasites in Puerto Rico.
D000818:Animals; D051379:Mice; D011647:Puerto Rico; D051381:Rats; D014437:Typhus, Endemic Flea-Borne / Q000453:epidemiology*; D014438:Typhus, Epidemic Louse-Borne
TYPHUS, MURINE/epidemiology