encephalitis virus or lyme borreliosis disease infected tick arachnid insect crawling on skin

acarus allergy animal arachnid arthropod biology bite blood borne borrelia borreliosis bug carrier close closeup crawling danger dangerous defect detail disease edema encephalitis epidemic fever illness immune infection inflammation insect insecticide ixodes lethal lyme macro medicine mite pain parasite parasitic pest repeller sick sickness skin sting sucker tick trouble virus