List of cryptosporidiosis outbreaks

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Cryptosporidiosis is a parasitic disease caused by Cryptosporidium. It can be spread by water or contact with contaminated surfaces.[1]

Canada[edit]

Year Location Number of cases Outbreak source Link to article References
1996 Cranbrook 2,000 [2]
1996 Kelowna 10,000–15,000 [2]

New Zealand[edit]

Year Location Number of cases Outbreak source Link to article References
1995 Tauranga 1 School [3]
1997 Waikato 170 [3]
1997 Tauranga Unknown [4]
2003 Masterton "Few" Water supply [3]
2010 Auckland 7 Swimming pool [5]
2010 Christchurch 17 Unknown [5]
2013 Hawke's Bay 22 Swimming pool [5]
2013 Waikato 5 Unknown [5]
2013 Wellington 5 Unknown [5]
2013 Taranaki 3 Unknown [5]
2015 Auckland 6 Raw milk [5]
2017 Auckland 9 Childcare centre [5]
2018 Kāpiti Coast 11 Water playground [6]
2021 Taranaki 6 Raw milk [5]
2021 Taranaki 4 Raw milk [5]
2023 Queenstown 18 as of 21 September 2023 Unknown Queenstown cryptosporidiosis outbreak [7]

United Kingdom[edit]

England[edit]

Year Location Number of cases Outbreak source Link to article References
1989 Oxfordshire 500 Discovered in filters at Farmoor Reservoir [8] [9]
1995 Torbay 508 [10]

[11] [12]

2024 Brixham 46 [13]

United States[edit]

Florida[edit]

Year Location Number of cases Outbreak source Link to article References
2019 Pasco County 10 [14]

Georgia[edit]

Year Location Number of cases Outbreak source Link to article References
1987 Carroll County 13,000 1987 Carroll County cryptosporidiosis outbreak [15]

Wisconsin[edit]

Year Location Number of cases Outbreak source Link to article References
1993 Milwaukee 403,000 1993 Milwaukee cryptosporidiosis outbreak [16]

References[edit]

  1. ^ "General Information for the Public | Cryptosporidium | Parasites | CDC". www.cdc.gov. 26 October 2021. Retrieved 21 September 2023.
  2. ^ a b "Cryptosporidium". CBC News. 23 June 2004. Archived from the original on 1 March 2011. Retrieved 21 September 2023.
  3. ^ a b c "Appendix 2: Outbreaks of Water-borne Disease in New Zealand". Ministry for the Environment. 1 March 2007. Retrieved 21 September 2023.
  4. ^ Estimation of the burden of water-borne disease in New Zealand: prelimary report. New Zealand Ministry of Health (published February 2007). November 2006. ISBN 978-0-478-30768-9.
  5. ^ a b c d e f g h i j Garcia-R, Juan C.; Hayman, David T. S. (20 March 2023). "A review and analysis of cryptosporidiosis outbreaks in New Zealand". Parasitology. 150 (7): 606–611. doi:10.1017/S0031182023000288. ISSN 0031-1820. PMC 10260297. PMID 36938817.
  6. ^ "Bug spread through Wellington water playground". RNZ. 16 February 2018. Retrieved 21 September 2023.
  7. ^ "Animal waste 'most likely' source of Queenstown gastro outbreak - expert". 1 News. Retrieved 21 September 2023.
  8. ^ "Pressure". Banbury Guardian. 9 March 1989. Retrieved 19 May 2024 – via British Newspaper Archive. Thames Water have announced an independent inquiry into the water scare in Oxfordshire which led to thousands of households being told to boil their drinking water. The warning, which is not yet lifted, came after the diarrhoea-linked bug, Cryptosporidium, was found in filters at the giant Farmoor water works outside Oxford.
  9. ^ "Water bosses rule out compensation over bug". Reading Evening Post. 18 April 1989. Retrieved 19 May 2024. The bug, Cryptosporidium, laid low more than 500 people in January with diarrhoea and illness which can kill those with weak immune systems.
  10. ^ "Hotels' fury as illness hits South Devon". Herald Express. 15 August 1995. Retrieved 17 May 2024 – via British Newspaper Archive. South West Water confirmed a 'boil-your-water' alert to 200,000 South Devon householders after a Cryptosporidium bug was found to be the cause of an outbreak of stomach upsets.
  11. ^ "As bug toll nears 100 mark expert says it's hard to kill". Herald Express. 17 August 1995. Retrieved 17 May 2024 – via British Newspaper Archive. The number of confirmed cases of stomach upsets caused by the water bug Cryptosporidium almost doubled overnight with today's total now standing at 91.
  12. ^ "Water bug: 'We blame the works'". 19 September 1995 – via British Newspaper Archive. The number of officially recorded victims of the bug topped 508 today.
  13. ^ Barnes, Georgina (17 May 2024). "Parasite outbreak cases in Devon double to 46". BBC News. Retrieved 17 May 2024.
  14. ^ "Pasco County, FL issues 'crypto' warning". Outbreak News Today. 27 June 2019. Retrieved 21 September 2023.
  15. ^ Fackelmann, K. A. (3 June 1989). "Scientists Nab Water-Polluting Parasite". Science News. Retrieved 21 September 2023.
  16. ^ Corso, Phaedra S.; Kramer, Michael H.; Blair, Kathleen A.; Addiss, David G.; Davis, Jeffrey P.; Haddix, Anne C. (2003). "Costs of Illness in the 1993 WaterborneCryptosporidium Outbreak, Milwaukee, Wisconsin". Emerging Infectious Diseases. 9 (4): 426–431. doi:10.3201/eid0904.020417. PMC 2957981. PMID 12702221.
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