Symptoms of Amoebiasis: Mucoid or bloody diarrhea, colitis, severe diarrhea with fever, enlarged liver and abdominal pain. The liver can become abscessed if the disease is not treated and can cause death. The incubation period is 2-4 weeks which means you have to be exposed and the parasite needs time to grow before symptoms occur.
There are many protozoal parasites out there that are transferred to humans mostly through fecal contaminated water. Yet another great reason to have a reverse osmosis water system. Here’s the list. Links direct you to more specifics. I’ve tried to focus on the most important and pertinent ones for North America and Europe for now. I’ll fill in the blanks as I have time.