ATLANTA - With summer vacation in full swing, the U.S. Centers for Disease Control and Prevention is warning parents to not allow their sick children to swim in pools or in large bodies of water to prevent further contamination and spread of disease. "It only takes one person with diarrhea to contaminate the entire pool," the CDC warned in a tweet posted on July 1. "Diarrhea can be caused by germs such as Crypto (short for Cryptosporidium), Giardia, Shigella, norovirus, and E.
coli O157:H7. Some of these germs can survive in properly chlorinated water for almost an hour, or even days," the CDC’s website states.
The most notable germs that are commonly linked to pools are crypto and norovirus, according to the CDC. Crypto is a parasite that.