It’s important to make sure your children are safe and supervised when they’re swimming, but it’s important to protect them from the unseen dangers too. Cryptosporidiosis, or crypto, is a microscopic parasite that can lurk in public pools and other recreational bodies of water. Symptoms include diarrhea, nausea, abdominal pain and fatigue. In this podcast Dr. Cindy Gellner talks about how to avoid contracting crypto and what to do if you think your child has it.