Image by Tony Tran Developments / UnsplashThe US Centers for Disease Control have a stark warning for Americans this summer.The CDC sent out a tweet on Thursday warning swimmers not to swim if they are experiencing diarrhea or other intestinal-related diseases this summer. Their guidance on how to prevent poop from the pool was linked in the tweet.The tweet stated that diarrhea can make it impossible for children to swim. One person can spread diarrhea to the whole pool.A very disgusting gif was also posted. It showed a cartoon child sliding down a waterslide, with a brown streak trailing behind.AdvertisementAdvertisementIf you have diarrhea, don't let your children swim. One person can spread diarrhea to the whole pool. Find out more about how to keep yourself and your loved ones healthy. #HealthySwimming https://t.co/3ogS3ZlQX6 pic.twitter.com/lbN6uvvufu CDC, July 1, 2021This topic (and the animated gif) may seem gross, but it is actually very useful advice. According to the CDC guidelines on diarrhea and swimming, fecal matter can spread germs like E.coli to further diarrhealize those who are infected.The CDC advises against swimming in hot tubs, oceans and lakes if you have diarrhea or have been diagnosed with Crypto (a parasite that can cause intestinal problems).You can test the chlorine and bromine levels of your hot tub or pool using test strips. Make sure you shower before you go in the water.AdvertisementAdvertisementHilariously, they include advice such as don't poop in water. It would be even more fun if they didn't have to say anything.READ MORE: Diarrhea & Swimming [CDC]More about poop: Scientists discover Coronavirus in SewageFuturism readers are invited to join the Singularity Global Community. This is our parent company's forum for futuristic science and technology discussions with other like-minded people around the globe. Sign up today to get started!AdvertisementAdvertisement