Schistosomiasis epidemiology and demographics: Difference between revisions
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__NOTOC__ | __NOTOC__ | ||
{{Schistosomiasis}} | {{Schistosomiasis}} | ||
{{CMG}} | {{CMG}} ; {{AE}} {{ADG}} | ||
==Overview== | ==Overview== | ||
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. | 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== | ==Epidemiology== | ||
===Incidence and prevalence=== | ===Incidence and prevalence=== | ||
*The prevalence of schistosomiasis is approximately 268 per 100,000 individuals worldwide. | |||
==Demographics== | ==Demographics== | ||
===Age=== | ===Age=== | ||
Patients of all age groups may develop schistosomiasis, but school-aged children and adolescents living in endemic areas tend to have the highest intensity of disease.<ref name="pmid26224883">{{cite journal |vauthors=Weerakoon KG, Gobert GN, Cai P, McManus DP |title=Advances in the Diagnosis of Human Schistosomiasis |journal=Clin. Microbiol. Rev. |volume=28 |issue=4 |pages=939–67 |year=2015 |pmid=26224883 |pmc=4548261 |doi=10.1128/CMR.00137-14 |url=}}</ref> | *Patients of all age groups may develop schistosomiasis, but school-aged children and [[Adolescent|adolescents]] living in [[endemic]] areas tend to have the highest [[intensity]] of [[disease]].<ref name="pmid26224883">{{cite journal |vauthors=Weerakoon KG, Gobert GN, Cai P, McManus DP |title=Advances in the Diagnosis of Human Schistosomiasis |journal=Clin. Microbiol. Rev. |volume=28 |issue=4 |pages=939–67 |year=2015 |pmid=26224883 |pmc=4548261 |doi=10.1128/CMR.00137-14 |url=}}</ref> | ||
===Race=== | ===Race=== | ||
There is no racial predilection to schistosomiasis. | *There is no [[racial]] predilection to schistosomiasis. | ||
===Gender=== | ===Gender=== | ||
Schistosomiasis affects men and women equally. | *Schistosomiasis affects men and women equally. | ||
===Geographic Disrtubution=== | ===Geographic Disrtubution=== | ||
*The disease is found in [[Tropics|tropical]] countries in [[Africa]], | *The [[disease]] is found in [[Tropics|tropical]] countries in [[Africa]], [[Caribbean]], Eastern [[South America]], [[Southeast Asia]] and in [[Middle East]]. | ||
*''S. mekongi'' and ''S. intercalatum'' are found locally in [[Southeast Asia]] and | * ''[[Schistosoma mansoni]]'' is found in parts of South America and Caribbean, Africa, and Middle East. | ||
* ''[[Schistosoma haematobium|S. haematobium]]'' is found in Africa and Middle East; and ''[[Schistosoma japonicum|S. japonicum]]'' in [[Far East]]. | |||
*''[[Schistosoma mekongi|S. mekongi]]'' and ''[[Schistosoma intercalatum|S. intercalatum]]'' are found locally in [[Southeast Asia]] and Central [[West Africa]], respectively. | |||
*Schistosomiasis is [[endemic]] in 74-76 developing countries,{{Verify source|November 2009|date=November 2009}} infecting more than 207 million people, 85% of whom live in Africa.<ref name="OliveiraRodrigues2004">{{cite journal|last1=Oliveira|first1=Guilherme|last2=Rodrigues|first2=Nilton B|last3=Romanha|first3=Alvaro J|last4=Bahia|first4=Diana|title=Genome and genomics of schistosomes|journal=Canadian Journal of Zoology|volume=82|issue=2|year=2004|pages=375–390|issn=0008-4301|doi=10.1139/z03-220}}</ref> | |||
{| class="wikitable" | {| class="wikitable" | ||
!Organ involved | !Organ involved | ||
| Line 28: | Line 32: | ||
!Geographical distribution | !Geographical distribution | ||
|- | |- | ||
| rowspan="4" |Intestinal schistosomiasis | | rowspan="4" |[[Intestinal]] [[schistosomiasis]] | ||
|Schistosoma mansoni | |''[[Schistosoma mansoni]]'' | ||
|Africa, | |Africa, Middle East, Caribbean, Brazil, Venezuela and Suriname | ||
|- | |- | ||
|Schistosoma japonicum | |''[[Schistosoma japonicum]]'' | ||
|China, Indonesia, | |China, Indonesia, Philippines | ||
|- | |- | ||
|Schistosoma mekongi | |''[[Schistosoma mekongi]]'' | ||
|Several districts of Cambodia and the Lao People’s Democratic Republic | |Several districts of Cambodia and the Lao People’s Democratic Republic | ||
|- | |- | ||
|Schistosoma guineensis | |''Schistosoma guineensis'' | ||
''[[Schistosoma intercalatum]]'' | |||
|Rain forest areas of Central Africa | |||
|Rain forest areas of | |||
|- | |- | ||
|Urogenital schistosomiasis | |[[Urogenital]] [[schistosomiasis]] | ||
| | |''[[Schistosoma haematobium]]'' | ||
|Africa, | |Africa, Middle East, Corsica (France) | ||
|} | |} | ||
==References== | ==References== | ||
{{Reflist|2}} | {{Reflist|2}} | ||
[[Category:Disease]] | [[Category:Disease]] | ||
| Line 62: | Line 62: | ||
[[Category:Hepatology]] | [[Category:Hepatology]] | ||
[[Category:Neglected diseases]] | [[Category:Neglected diseases]] | ||
Latest revision as of 18:43, 18 September 2017
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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
- Patients of all age groups may develop schistosomiasis, but school-aged children and adolescents living in endemic areas tend to have the highest intensity of disease.[1]
Race
- There is no racial predilection to schistosomiasis.
Gender
- Schistosomiasis affects men and women equally.
Geographic Disrtubution
- The disease is found in tropical countries in Africa, Caribbean, Eastern South America, Southeast Asia and in Middle East.
- Schistosoma mansoni is found in parts of South America and Caribbean, Africa, and Middle East.
- S. haematobium is found in Africa and Middle East; and S. japonicum in Far East.
- S. mekongi and S. intercalatum are found locally in Southeast Asia and Central West Africa, respectively.
- Schistosomiasis is endemic in 74-76 developing countries,[verification needed] infecting more than 207 million people, 85% of whom live in Africa.[2]
| 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 | Rain forest areas of Central Africa | |
| Urogenital schistosomiasis | Schistosoma haematobium | Africa, Middle East, Corsica (France) |
References
- ↑ 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.
- ↑ 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.