tick, ixodes ricinus, held by tweezer on white background, close up

acarus allergy animal arachnid arthropod babesiosis background bacterial big biology bite blood borne borrelia borreliosis bug closeup danger dangerous detail disease dog encephalitis epidemic fsme health illness immune infection insect insecticide isolated ixodes lyme macro medicine mite one pain paralysis parasite pest ricinus tick tweezer vaccination virus white