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.
How do you get parasites in your body?
Anyone can contract a parasitic infection and some people are at higher risk because of certain reasons. One of the most common ways of contracting this type of condition is through contaminated food such as undercooked meat or drinking unclean water.
How do most parasites spread?
Faecal-oral transmission, where parasites found in the stool of one person end up being swallowed by another person, is the most common mode of transmission of parasitic protozoa and helminths.
How are parasites transmitted to the host?
Many parasites are transmitted from one host to another by ingestion: for example, the larvae and eggs of intestinal parasites. The host may swallow the parasites because of fecal contamination of the food, or through camivory (Crompton, 1976). Parasites may also be swallowed during preening or grooming (Baker, 1975).
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