Document Detail


Long-term Cryptosporidium typing reveals the aetiology and species-specific epidemiology of human cryptosporidiosis in England and Wales, 2000 to 2003.
MedLine Citation:
PMID:  19161717     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To improve understanding of the aetiology and epidemiology of human cryptosporidiosis, over 8,000 Cryptosporidium isolates were submitted for typing to the species level over a four year period. The majority were either Cryptosporidium parvum (45.9%) or Cryptosporidium hominis (49.2%). Dual infection occurred in 40 (0.5%) cases and six other known Cryptosporidium species or genotypes were found in 67 (0.9%) cases. These were Cryptosporidium meleagridis, Cryptosporidium felis, Cryptosporidium canis, and the Cryptosporidium cervine, horse and skunk genotypes. The remaining 3.5% were not typable. Epidemiology differed between infecting species. C. parvum cases were younger, although C. hominis was more prevalent in infants under one year and in females aged 15 to 44 years. Spring peaks in cases reported to national surveillance were due to C. parvum, while C. hominis was more prevalent during the late summer and early autumn as well as in patients reporting recent foreign travel. Temporal and geographical differences were observed and a decline in C. parvum cases persisted from 2001. Typing of isolates allowed outbreaks to be more clearly delineated, and demonstrated anthroponotic spread of C. parvum as well as C. hominis. Our findings suggest that national surveillance for Cryptosporidium should be conducted at the species level.
Authors:
R M Chalmers; K Elwin; A L Thomas; E C Guy; B Mason
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-01-15
Journal Detail:
Title:  Euro surveillance : bulletin Européen sur les maladies transmissibles = European communicable disease bulletin     Volume:  14     ISSN:  1560-7917     ISO Abbreviation:  Euro Surveill.     Publication Date:  2009 Jan 
Date Detail:
Created Date:  2009-01-23     Completed Date:  2009-04-02     Revised Date:  2013-05-01    
Medline Journal Info:
Nlm Unique ID:  100887452     Medline TA:  Euro Surveill     Country:  Sweden    
Other Details:
Languages:  eng     Pagination:  -     Citation Subset:  IM    
Affiliation:
UK Cryptosporidium Reference Unit, NPHS Microbiology Swansea, Singleton Hospital, Swansea, United Kingdom. rachel.chalmers@nphs.wales.nhs.uk
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Aged
Animals
Child
Child, Preschool
Cryptosporidiosis / epidemiology*,  microbiology*
Cryptosporidium / classification*,  isolation & purification*
Disease Outbreaks / statistics & numerical data*
England / epidemiology
Female
Humans
Incidence
Infant
Infant, Newborn
Longitudinal Studies
Male
Middle Aged
Population Surveillance*
Risk Assessment / methods*
Risk Factors
Species Specificity
Wales / epidemiology
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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