Cryptosporidiosis and filtration of water from Loch Lomond, Scotland

Kevin G.J. Pollock, David Young, Huw V. Smith, Colin N. Ramsay

Research output: Contribution to journalArticle

13 Citations (Scopus)
17 Downloads (Pure)

Abstract

Previous evidence has suggested an association between consumption of unfiltered water from Loch Lomond, Scotland, and cryptosporidiosis. Before November 1999, this water had been only microstrained and disinfected with chlorine; however, since that time, physical treatment of the water (coagulation, rapid gravity filtration) has been added. To determine risk factors, including drinking water, for cryptosporidiosis, we analyzed data on laboratory-confirmed cases of cryptosporidiosis collected from 1997 through 2003. We identified an association between the incidence of cryptosporidiosis and unfiltered drinking water supplied to the home. The association supports the view that adding a filtration system to minimally treated water can substantially reduce the number of confirmed cryptosporidiosis cases.
Original languageEnglish
Pages (from-to)115-120
Number of pages6
JournalEmerging Infectious Diseases
Volume14
Issue number1
Publication statusPublished - Jan 2008

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Cryptosporidiosis
Scotland
Water
Drinking Water
Water Purification
Gravitation
Incidence

Keywords

  • cryptosporidiosis
  • filtration
  • water
  • loch lomond
  • infectious disease

Cite this

Pollock, K. G. J., Young, D., Smith, H. V., & Ramsay, C. N. (2008). Cryptosporidiosis and filtration of water from Loch Lomond, Scotland. Emerging Infectious Diseases, 14(1), 115-120.
Pollock, Kevin G.J. ; Young, David ; Smith, Huw V. ; Ramsay, Colin N. / Cryptosporidiosis and filtration of water from Loch Lomond, Scotland. In: Emerging Infectious Diseases. 2008 ; Vol. 14, No. 1. pp. 115-120.
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Pollock, KGJ, Young, D, Smith, HV & Ramsay, CN 2008, 'Cryptosporidiosis and filtration of water from Loch Lomond, Scotland', Emerging Infectious Diseases, vol. 14, no. 1, pp. 115-120.

Cryptosporidiosis and filtration of water from Loch Lomond, Scotland. / Pollock, Kevin G.J.; Young, David; Smith, Huw V.; Ramsay, Colin N.

In: Emerging Infectious Diseases, Vol. 14, No. 1, 01.2008, p. 115-120.

Research output: Contribution to journalArticle

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AU - Pollock, Kevin G.J.

AU - Young, David

AU - Smith, Huw V.

AU - Ramsay, Colin N.

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AB - Previous evidence has suggested an association between consumption of unfiltered water from Loch Lomond, Scotland, and cryptosporidiosis. Before November 1999, this water had been only microstrained and disinfected with chlorine; however, since that time, physical treatment of the water (coagulation, rapid gravity filtration) has been added. To determine risk factors, including drinking water, for cryptosporidiosis, we analyzed data on laboratory-confirmed cases of cryptosporidiosis collected from 1997 through 2003. We identified an association between the incidence of cryptosporidiosis and unfiltered drinking water supplied to the home. The association supports the view that adding a filtration system to minimally treated water can substantially reduce the number of confirmed cryptosporidiosis cases.

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