Multiple disciplines of public health need to be involved in Legionnaires' disease investigations.
Investigating travel-associated Legionnaires' disease outbreaks includes special considerations.
Consider healthcare exposures when identifying potential outbreak sources.
Investigating community-associated Legionnaires' disease outbreaks includes special considerations.
Environmental Health
Explore our resources for the environmental part of Legionnaires’ disease outbreak investigations.
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View all of CDC's resources on investigating Legionnaires' disease cases and outbreaks.
CDC has published several resources to support Legionnaires' disease investigations.
Guidance by topic
- Legionellosis, which includes Legionnaires' disease, is a nationally notifiable disease.
- Legionnaires' disease outbreak investigations require careful planning and periodic reassessments.
- Learn more about environmental sampling for Legionella.
- Testing environmental and clinical samples for Legionella can help confirm an outbreak's source.
- There are special communication considerations during Legionnaires’ disease outbreaks.