Most germs, bacteria and parasites diseasesare transmitted by hands from infected people. Eating out in restaurants is very dangerous to our health, since an infected person may be preparing your foods, especially raw foods such as salads. You can even get hepatitis from unwashed lettuce. 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.