2011-2012 Drinking Water-associated Outbreak Surveillance Report: Supplemental Figures
These tables provide supplemental information not published in Surveillance for Waterborne Disease Outbreaks Associated with Drinking Water — United States, 2011–2012 (MMWR Weekly).
Number of Waterborne-Disease Outbreaks Associated with Drinking Water* — Waterborne Disease and Outbreak Surveillance System, 2011–2012
* N=32. These numbers are largely dependent on reporting and surveillance activities in individual states, and do not necessarily indicate the true incidence of waterborne disease outbreaks in a given state.
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Top of PageEtiology of Drinking Water Outbreaks* and Outbreak-related Cases†, Waterborne Disease and Outbreak Surveillance System, 2011–2012
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Top of PagePredominant Illness in Drinking Water Outbreaks* and Outbreak-related Cases†, Waterborne Disease and Outbreak Surveillance System, 2011–2012
Abbreviations: AGI: acute gastrointestinal illness; ARI: acute respiratory illness
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Top of PagePredominant Illness Reported for all Drinking Water Outbreaks, and Etiologies in Outbreaks of Acute Gastrointestinal Illness (AGI), Waterborne Disease and Outbreak Surveillance System, 2011–2012
Abbreviations: AGI: acute gastrointestinal illness; ARI: acute respiratory illness
* All acute respiratory illness was attributed to Legionella spp.
† The outbreak with multiple etiologies involved bacterial and parasitic agents.
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Top of PageWater Systems Associated with Drinking Water Outbreaks* and Outbreak-related Cases†, Waterborne Disease and Outbreak Surveillance System, 2011–2012
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Top of PageWater Sources Associated with Drinking Water Outbreaks* and Outbreak-related Cases†, Waterborne Disease and Outbreak Surveillance System, 2011–2012
§ Includes outbreaks with mixed water sources (i.e. ground water and surface water). Two giardiasis outbreaks were associated with mixed source community water systems.
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Top of PageDeficiencies Assigned to Drinking Water Outbreaks* and Outbreak-related Cases†, Waterborne Disease and Outbreak Surveillance System, 2011–2012
§ Multiple deficiencies were assigned to one giardiasis outbreak which contributed 21 cases: untreated surface water and untreated ground water.
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Top of Page- Page last reviewed: August 13, 2015
- Page last updated: August 13, 2015
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