Legionnaires' Disease Updates and Information
The South Dakota Department of Health is investigating a general community increase of Legionnaires cases in the Sioux Falls area. South Dakota typically receives 8-15 case reports of Legionnaires' disease each year.
Sioux Falls Legionella Investigation Summary Report
Number of Confirmed Illnesses | Total |
---|---|
Total | 16 |
Hospitalized | 16 |
Deaths | 1 |
Updated: 10/31/2018
Environmental Assessment Update:
The South Dakota Department of Health with support from the Sioux Falls Health Department and the Centers for Disease Control and Prevention, sampled 20 environmental sites across Sioux Falls during the week of September 24, 2018. The environmental samples collected tested negative for the Legionella bacteria that caused the Legionnaires' disease cases. No definitive cause for the recent increase in Legionnaires' disease was identified by the epidemiologic investigation or the environmental assessment and testing. The Department continues to monitor for additional Legionnaires' disease cases and will conduct environmental assessments and testing if warranted.
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News Releases
September 20, 2018 - Health Department Investigates Legionnaires' Disease Increase
Additional Resources
- Frequently Asked Questions about Legionnaires' Disease
- CDC Vital Signs Report on Legionnaires' Disease
- Cooling Tower Institute: Best Practices for Controlling Legionella
- Legionnaires' Disease Fact Sheet
- Monthly Infectious Disease Summaries
- CDC - Legionella (Legionnaires' Disease and Pontiac Fever)
- CDC Legionnaires' Disease Fact Sheet
- Water Management Program Toolkit
- ASHRAE Guildeline 12-200: Minimizing the Risk of Legionellosis Associated with Building Water Systems