Simultaneous increase of Cryptosporidium infections in the Netherlands, the United Kingdom and Germany in late summer season, 2012

N Fournet; M P Deege; A T Urbanus; G Nichols; B M Rosner; R M Chalmers; R Gorton; K G Pollock; J W van der Giessen; P C Wever; J W Dorigo-Zetsma; B Mulder; T G Mank; I Overdevest; J G Kusters; W van Pelt; L M Kortbeek

doi:10.2807/ese.18.02.20348-en

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Simultaneous increase of Cryptosporidium infections in the Netherlands, the United Kingdom and Germany in late summer season, 2012
N Fournet^1,2,3 , M P Deege^3,4,5 , A T Urbanus¹ , G Nichols⁶ , B M Rosner⁷ , R M Chalmers⁸ , R Gorton⁹ , K G Pollock¹⁰ , J W van der Giessen¹ , P C Wever¹¹ , J W Dorigo-Zetsma¹² , B Mulder¹³ , T G Mank¹⁴ , I Overdevest¹⁵ , J G Kusters⁵ , W van Pelt¹ , L M Kortbeek¹
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Affiliations: ¹ Centre for Infectious Diseases Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands ² European Programme for Intervention Epidemiology Training (EPIET), European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden ³ These authors contributed equally to this work ⁴ Saltro Diagnostic Centre, Utrecht, the Netherlands ⁵ Department of Medical Microbiology, University Medical Centre Utrecht, Utrecht, the Netherlands ⁶ Gastrointestinal, Emerging and Zoonotic Infections Department, Health Protection Agency Colindale, London, United Kingdom ⁷ Department for Infectious Disease Epidemiology, Robert Koch Institute (RKI), Berlin, Germany ⁸ Cryptosporidium Reference Unit, Public Health Wales, Swansea, United Kingdom ⁹ Health Protection Agency, North East Region, Newcastle, United Kingdom ¹⁰ Health Protection Scotland, Glasgow, United Kingdom ¹¹ Department of Medical Microbiology and Infection Control, Jeroen Bosch Hospital, ’s-Hertogenbosch, the Netherlands ¹² Central Laboratory for Bacteriology and Serology, Tergooi ziekenhuizen, Hilversum/Almere, the Netherlands ¹³ Laboratory of Medical Microbiology and Public Health, Enschede, the Netherlands ¹⁴ Regional Laboratory for Medical Microbiology and Public Health, Haarlem, the Netherlands ¹⁵ Laboratory for Medical Microbiology and Immunology, St Elisabeth Hospital, Tilburg, the Netherlands

Correspondence:
L Kortbeek
Titia.Kortbeek rivm.nl
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Citation style for this article: Fournet N, Deege M P, Urbanus A T, Nichols G, Rosner B M, Chalmers R M, Gorton R, Pollock K G, van der Giessen J W, Wever P C, Dorigo-Zetsma J W, Mulder B, Mank T G, Overdevest I, Kusters J G, van Pelt W, Kortbeek L M. Simultaneous increase of Cryptosporidium infections in the Netherlands, the United Kingdom and Germany in late summer season, 2012. Euro Surveill. 2013;18(2):pii=20348. https://doi.org/10.2807/ese.18.02.20348-en Received: 12 Dec 2012

Abstract

Starting August 2012, an increase in Cryptosporidium infections was reported in the Netherlands, the United Kingdom and Germany. It represented a 1.8 to 4.9-fold increase compared to previous years. Most samples were C. hominis IbA10G2. A case-control study was performed in the Netherlands but did not identify an endemic source. A case-case study in the north of England found travel abroad to be the most common risk factor. .