Everybody rich and poor the whole population have parasite infestation. It is not restricted to lower classes at all. Pets are great carriers of parasitic infestation. Also, vegetables may carry parasitic organisms. She was on a 400 to 500 calorie diet and starving to death.
Most people are upset at the thought of having worms.
She went to her family doctor who took a stool culture, but could not find anything. . One night she was lying in her bed, and she felt a tickling in her throat and thought it was mucous. She went to the bathroom and coughed it up, put it in a Kleenex and turned the light one. The scream she let out woke up her husband, and what they found in the tissue was the head and two more inches of a tapeworm which had come up in her throat. Many times, particularly in children, the tapeworm will come through the nose looking for some more to eat.