ticks in a glass tube on a white background. detection of s of tick-borne encephalitis, borreliosis and other

allergy arachnid arthropoda background biology bite bleeding blood bloodsucking borne brown crawling danger dangerous detail disease effect encephalitis epidemic fever grass green herb human illness infection inflammation insect isolated lethal little microscopic natural nature pain paralysis parasite parasitic pest piercer repulsive sample sick sickness small sting unpleasant vermin virus white