Schistosomiasis epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-in-Chief: Aditya Ganti M.B.B.S. [2]

Overview

The prevalence of schistosomiasis is approximately 268 per 100,000 individuals worldwide. More than 600 million persons are exposed to Schistosoma parasites, 200 million persons are infected, and 20 million symptomatic cases of schistosomiasis are reported worldwide. All age groups are vulnerable to Schistosoma infection, but school-aged children and adolescents living in endemic areas tend to have the highest intensity of disease. There is no racial predilection to schistosomiasis. Schistosomiasis affects men and women equally.

Epidemiology

Incidence and prevalence

  • The prevalence of schistosomiasis is approximately 268 per 100,000 individuals worldwide.

Demographics

Age

Race

  • There is no racial predilection to schistosomiasis.

Gender

  • Schistosomiasis affects men and women equally.

Geographic Disrtubution

Organ involved Species Geographical distribution
Intestinal schistosomiasis Schistosoma mansoni Africa, Middle East, Caribbean, Brazil, Venezuela and Suriname
Schistosoma japonicum China, Indonesia, Philippines
Schistosoma mekongi Several districts of Cambodia and the Lao People’s Democratic Republic
Schistosoma guineensis

Schistosoma intercalatum

Rain forest areas of Central Africa
Urogenital schistosomiasis Schistosoma haematobium Africa, Middle East, Corsica (France)

References

  1. Weerakoon KG, Gobert GN, Cai P, McManus DP (2015). "Advances in the Diagnosis of Human Schistosomiasis". Clin. Microbiol. Rev. 28 (4): 939–67. doi:10.1128/CMR.00137-14. PMC 4548261. PMID 26224883.
  2. Oliveira, Guilherme; Rodrigues, Nilton B; Romanha, Alvaro J; Bahia, Diana (2004). "Genome and genomics of schistosomes". Canadian Journal of Zoology. 82 (2): 375–390. doi:10.1139/z03-220. ISSN 0008-4301.