Answer:
Exposure to infection is influenced by climate, hygiene, food preference
Parasitic infections can be spread in a number of ways. For example, protozoa and helminths can be spread through contaminated water, food,waste, soil, and blood. Some can be passed through sexual contact. Some parasites are spread by insects that act as a vector, or carrier, of the disease.
Isreal were clean and hygienic, they isolate and cover their waste, Israel’s laws reflected medical concepts and views on sanitation that were far ahead of their time.
Explanation:
Shortly before the nation of Israel entered the Promised Land some 35 centuries ago, God said that he would protect them against “the terrible diseases” that they had known in Egypt. (Deuteronomy 7:15) One way he did this was by giving them detailed instructions on disease control and hygiene. For example:
The nation’s code of laws required bathing and clothes washing.—Leviticus 15:4-27.
Regarding human waste, God stated: “A private place should be designated for use outside the camp, and there is where you should go. A peg should be part of your equipment. When you squat outside, you should dig a hole with it and then cover your excrement.”—Deuteronomy 23:12, 13.
People who were thought to have a communicable disease were quarantined—kept away from others for a time. Before returning, those who recovered from sickness had to wash their garments and bathe in water if they were to be considered “clean.”—Leviticus 14:8, 9.
Anyone who touched a dead body was quarantined.—Leviticus 5:2, 3; Numbers 19:16.
Israel’s laws reflected medical concepts and views on sanitation that were far ahead of their time.