tick insect on white. encephalitis virus or lyme borreliosis disease infectious dermacentor tick or mite arachnid

acari acarus allergy animal arachnid arthropod babesiosis bacterial biology bite bleeding blood borne borrelia borreliosis bug crawling danger dangerous dermacentor disease edema encephalitis epidemic fever illness immune infection insect insecticide isolated ixodes kfd kyasanur lethal lyme macro meningitis mite monkey paralysis parasite pest repellent sick sickness tick virus white