A 20-year-old male (Ht.: 5'10" Wt.: 165 lbs.) is a college student who spent part of his summer semester in South America. He was volunteering with an organization that was helping to establish safe drinking water in an area of very poor resources. Residents in the area previous used the local river for all of their water needs (e.g., drinking, cooking, bathing, and washing clothes). During his journey home, he began to feel ill. He had little energy, no appetite, and severe headaches, and nothing he ate seemed to agree with him. He felt nauseated, he began to have diarrhea, and he soon developed a fever. He began to show evidence of jaundice.



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