Tick-borne diseases.
D000818:Animals; D001096:Arachnid Vectors; D001170:Arthritis, Infectious / Q000635:transmission; D001404:Babesiosis / Q000635:transmission; D006801:Humans; D012373:Rocky Mountain Spotted Fever / Q000635:transmission*; D013987:Ticks / Q000382:microbiology*