parasites flat line icons set. intestinal worm, helminth, sandfly, tick, dog flea, leech, qiardia, dengue mosquito

parasites pest control worm helminth heart bloodsucker leech annelid flatworm intestinal tick icon line vector tapeworms roundworm whipworm parasitic insect sandfly hookworm eggs larvae internal nematode pet treatment infestation mosquito dog ascaris parasitology pinworm flea lice outline illustration giardia coccidia protozoa dengue fever echinococcus human plasmodium disease