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Cryptosporidiosis in Ireland

Cryptosporidiosis rates in Ireland + surroundingsAnother post in ProMED from Steve describing Cryptosporidiosis in Ireland with a graph comparing rates in neighboring regions:

Background data:
Rates of Cryptosporiosis in Ireland and adjacent countries have been similar since the 1980’s.

Cryptosporidiosis became a notifiable disease in Ireland in January 2004, with 61 percent of cases having been reported during April to June [?2004]. A total of 5 outbreaks (25 outbreak cases) was reported in 2004. A total of 6 outbreaks (49 outbreak cases) was reported in 2005.

Prevalence surveys:
4 percent of gastroenteritis among children.
4 percent of diarrhea requiring hospitalization among Dublin Children 1987.
149 cases were reported among children below age 2 years in 2002; 106 in 2003.
64 patients were hospitalized for cryptosporidiosis in 1999; 57 in 2000; 65 in
2001; 53 in 2002. 70 cases (18 per 100 000) were reported by the South-Eastern Health Board in 2001. 66 cases (19 per 100 000) were reported by the Western Health Board in 2001.

Infected local shellfish species:
_Mytilus edulis_ (Common mussel) in the Sligo Area
_Dreissena polymorpha_ (Zebra mussel) in the Shannon River drainage area.

Notable outbreaks:
2002 – Outbreaks (3 outbreaks, 65 cases) were reported, including a water-borne outbreak more than 32 cases) in the Midland region.
2005 – An outbreak (31 cases) in the western region was associated with contaminated water.
2007 – An outbreak (125 cases) was reported in Galway.

Northern Ireland:
Notable outbreaks:
2000 – An outbreak (121 confirmed cases) was reported – with most cases in the County Antrim and County Down towns of Lisburn and Bangor.
2001 – An outbreak (230 confirmed cases) was reported in Belfast – source unknown.
2001 – An outbreak (57 cases) was reported in Ulster – source unknown.
2001 – An outbreak (110 cases) was reported in Eastern Health Board – ascribed to contamination of water from the Dunmore treatment facility.
2003 – An outbreak (391 cases) was reported among British tourists at a hotel in Majorca – 179 from England and Wales, 170 from Scotland and 42 from Northern Ireland.
2004 – An outbreak (14 cases) was reported in the Midland Health Board – ascribed to a contaminated water supply.

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