Parasitic infections, caused by intestinal helminths and protozoan parasites, are among the most prevalent infections in humans in developing countries. In developed countries, protozoan parasites more commonly cause gastrointestinal infections compared to helminths.
Where are parasites more common in the world?
Parasitic diseases are most common in developing countries in tropical and sub-tropical regions of the world (Figure 3). These places are often hot and humid, conditions which are suitable for the growth of many parasites.
What are the most common parasites in the world?
Leishmania spp. worldwide: one of the most common human parasites; estimated to infect between 30–50% of the global population.
How common are helminths?
Global distribution and prevalence. More than 1.5 billion people, or 24% of the world's population, are infected with soil-transmitted helminth infections worldwide.
Which parasites are more common in the US?
Here are five of the most common parasitic infections in the U.S., according to the CDC:Chagas disease. More than 300,000 American are infected with Trypanosoma cruzi, the parasite that causes Chagas disease, and more than 300 infected babies are born every year. ... Cysticercosis. ... Toxocara. ... Trichomoniasis.CDC warns of common parasites plaguing millions in U.S. - CBS News
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