What is the geographical distribution of Schistosoma species?

Updated: Sep 20, 2018
  • Author: Shadab Hussain Ahmed, MD, AAHIVS, FACP, FIDSA; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Intestinal schistosomiasis caused by S mansoni occurs in 52 nations, including Caribbean countries (ie, Saint Lucia, Antigua, Montserrat, Martinique, Guadeloupe, Dominican Republic, Puerto Rico), eastern Mediterranean countries, South American countries (ie, Brazil, Venezuela, Surinam), and most countries in Africa. [23]

Other Schistosoma species that can cause intestinal symptoms and diseases include S intercalatum, S japonicum, and S mekongi.S intercalatum is found in 10 countries within the rain forests of central Africa. S japonicum is endemic in 4 countries in the western Pacific region (ie, China, Philippines, Indonesia, Thailand). S mekongi infection occurs in the Mekong River area of Southeast Asia (ie, Kampuchea, Laos, Thailand). Urinary schistosomiasis caused by S haematobium affects 54 countries in Africa and the eastern Mediterranean.


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