b'This story originally appeared on Reveal and is part of the Climate Desk collaboration. William Whitt suffered violent diarrhea for days. But once he began vomiting blood, he knew it was time to rush to the hospital. His body swelled up so much that his wife thought he looked like the Michelin Man, and on the inside, his intestines were inflamed and bleeding. For four days last spring, doctors struggled to control the infection that was ravaging Whitt, a father of three in western Idaho.\\nLearn more about your ad choices. Visit podcastchoices.com/adchoices'