dangerous for health a blood-sucking tick on a human hand on a bright sunny day. encephalitis, an infection caused by lyme disease

acari acarus allergy animal arachnid arthropod biology bite blood bloodsucker bug danger dangerous dermatology disease disinfect eco encephalitis epidemic fear fever hide human illness immune immunity immunization infected infection infectious inflammation insect ixodes medicine mite nature one pain parasite person pest repellent sickness skin small spooky sting sucking tick virus wildlife