[The tick Ixodes ricinus, a spirochaeta vector].
D000818:Animals; D006801:Humans; D009664:Norway; D013142:Spirochaeta; D013145:Spirochaetales Infections / Q000635:transmission*; D013987:Ticks / Q000382:microbiology*
Skogflåtten Ixodes ricinus. Vektor for spirochaetose.