Epidemic typhus acquired in Wisconsin.
D000818:Animals; D004199:Disease Vectors; D006801:Humans; D008297:Male; D008875:Middle Aged; D012589:Sciuridae / Q000382:microbiology*; D012621:Seasons; D014438:Typhus, Epidemic Louse-Borne / Q000635:transmission*; D014922:Wisconsin