How this cyst enters a human body?

In our country, there is abundance of filth, dirt and a network of open drains. A lot of garbage, shit and urine
are lying in open air untreated, either waiting for or left without disposal. The stray dogs infested with cysts
empty out their stools in these very spots leading to pollution of not only ground soil but air as well. In other
words, soil, water and air become contaminated with cysts or eggs. In close proximity to these contaminated
sites along the roads, you will find open stalls of Indian fast foods like “Chaat”, “Bhelpuri” and fruit juice
vendors. It is quite obvious that eatables being sold in these open air food stalls will be definitely laced with
these cysts and eggs. Whenever you and your family members go for evening outings, it is very difficult to
avoid temptation of tasting these open- air well- displayed Indian fast foods. As soon as you eat theses cyst-
infested fast food, not only food alone but eggs too will enter your intestine and you just cannot notice these
cysts as they are too tiny to be seen with your naked eyes.