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. 29 окт. 2018 г.
Where in the world are parasite infections most common?
Parasitic infections are more common in rural or developing areas than in developed areas. In developed areas, these infections may occur in immigrants, in returning travelers, or in people with a weakened immune system. Parasites usually enter the body through the mouth or skin.
Why are parasites more common in developed countries?
Due to the globalization of the world, doctors must be fully prepared to deal with a plethora of parasitic infections. More commonly the gastrointestinal (GI) tract is infected and in developed countries protozoans are more likely to be the cause of infection compared to helminths.
Are parasites common in developed countries?
“We know that parasitic worm infections occur more frequently in less developed countries, in places where allergies are rare. Although it's been suggested that worm infections could prevent allergy, there has been little concrete evidence of the potential molecular mechanisms that might mediate any such relationship.”
What is the most prevalent parasite in the world?
Leishmania spp. worldwide: one of the most common human parasites; estimated to infect between 30–50% of the global population.