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Giardia (gee-ARE-dee-uh)

What is Giardia?

two kids at the pool's edge

Giardia is a germ that causes diarrhea. Giardia is found in infected people’s stool and cannot be seen by the naked eye. This germ is protected by an outer shell that allows it to survive outside the body and in the environment for long periods of time.

Why should I be concerned about Giardia?

During the past two decades, Giardia has become recognized as one of the most common causes of waterborne illness (drinking water and recreational water) in the United States. The germ is found in every part of the United States and the world.

How is Giardia spread at aquatic facilities?

Giardia is not spread by contact with blood. Giardia can be spread:

How do I protect myself and my family?

Healthy Swimming behaviors are needed to protect you and your kids from recreational water illnesses (RWIs) and will help stop germs from getting in the pool in the first place.

Here are six “P-L-E-As” that promote Healthy Swimming:

  1. Please don't swim when you have diarrhea.
  2. Please don't swallow the pool water.
  3. Please practice good hygiene. Take a shower before swimming and wash your hands after using the toilet or changing diapers.
  4. Please take your kids on bathroom breaks or check diapers often.
  5. Please change diapers in a bathroom and not at poolside.
  6. Please wash your child thoroughly (especially the rear end) with soap and water before swimming.

Learn more about Giardia.

 

Content Source: Division of Parasitic Diseases, National Center for Zoonotic, Vector-borne, and Enteric Diseases
Page last modified: April 17, 2007