Recreational water illnesses (RWIs) are caused by germs spread by swallowing, breathing in mists or aerosols of, or having contact with contaminated water in swimming pools, hot tubs, water parks, water play areas, interactive fountains, lakes, rivers, or oceans.
(From a CDC.gov posting)Â Â RWIs can be a wide variety infections, including gastrointestinal, skin, ear, respiratory, eye, neurologic, and wound infections. The most commonly reported RWI is diarrhea. Diarrheal illnesses can be caused by germs such as Crypto (short for Cryptosporidium), Giardia, Shigella, norovirus and E. coli O157:H7. In the past two decades, there has been an increase in the number of RWI outbreaks associated with swimming.
CDC’s Healthy Swimming program offers information and resources to raise awareness about RWIs and how to prevent them.
http://www.cdc.gov/healthywater/swimming/rwi/
