Murine typhus Rickettsiae in the Oriental rat flea.
D000818:Animals; D004847:Epithelial Cells; D004848:Epithelium / Q000648:ultrastructure; D012281:Rickettsia / Q000648:ultrastructure*; D005423:Siphonaptera / Q000382:microbiology* / Q000648:ultrastructure; D014437:Typhus, Endemic Flea-Borne / Q000382:microbiology*