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Water Webinar Series
This four-webinar series highlights recreational water illness, the changes to the Model Aquatic Health Code (MAHC), and implementation of the new MAHC.Recreational Water IllnessesApril 27, 2023Over the last 20–30 years, CDC has led efforts to d...
Harmful Algal Blooms
Rapid algae overgrowth can result in harmful algal blooms (HABs). Blooms can be both toxic and non-toxic but always have a detrimental effect on marine life in the affected area. Algal blooms most often occur in still or slow-moving water and ar...
Legionella
The rate of reported legionellosis cases has increased by nearly five and a half times since 2000. Legionella is bacteria that is naturally-occurring in fresh water aquatic systems and becomes a risk when it enters human-made water and plumbing ...