parasites under microscope and woman suffering from helminthiasis

abdominal adult anisakis ascariasis background banner bedroom body caucasian causes closeup design diarrhea disease duodenum endoparasite enterobiasis female gut health helminth helminthiasis helminths host human hygiene illustration infectious intestinal intestine invertebrate large located medical microscope pain parasites person sanitation science showing suffering system tapeworm threadworms trichina view woman worm young