A microscopic image of a worm (e.g. hookworm, roundworm, or tapeworm) embedded in a sample of human feces, with the surrounding cells and tissues visible, showcasing the intricate details of parasitic infection.

A medical illustration of the human digestive system, with a section of the intestines cut away to reveal a cluster of worms infesting the gut, accompanied by a caption explaining the symptoms and treatment options for worm infestations.

A close-up photograph of a person's stool sample on a petri dish, with several worms wriggling and squirming inside, surrounded by a faint mist of bacteria and other microorganisms, highlighting the importance of proper hygiene and sanitation in preventing the spread of parasitic infections.