1. By Richie Whitford Reid Schroder Jake Heck

2.  Protozoan Pathogen  Can cause gastro-intestinal illnesses  The organism most commonly isolated in the HIV positive patients  Illness triggers when tiny cryptosporidium parasites enter your body and travel to the small intestines  Symptoms include water diarrhea, dehydration, weight loss, cramps, fever  In April 1993, cryptosporidium was responsible for a major outbreak of illness in Milwaukee, Wisconsin. More than 400,000 became ill after drinking contaminated water from the water supply system.

3.  Infection of the small intestine  Caused by protozoa  Caused by water contamination and sewage wastes  Risk factors: Exposure to a family member with giardiasis Unprotected anal sex  Symptoms: Abdominal Pain Gas or Bloating Diarrhea Headache Vomiting

4.  Caused by shigella bacteria  Diarrhea, fever, and stomach cramps  The diarrhea is often bloody  Symptoms usually last 5-7 days  Can cause deadly epidemics  Other symptoms of shigellosis include: loss of appetite, nausea, and vomiting  In severe cases the person may suffer a seizure, stiff neck, headache, extreme tiredness and confusion. In some severe cases the infected person may become dehydrated.

5.  All interact with the digestive system  All are considered deadly  All have symptoms of diarrhea  All are formed by dirty or contaminated water