Severe diarrheal disease can be caused by many different pathogens, but doctors will often prescribe bacteria-killing antibiotics, even when the disease is caused by viruses. In this episode of the Virulent Vortex, Liz Rogawski McQuade explains that this unnecessary use of antibiotics is risky business. The antibiotics can select for drug-resistance in pathogenic bacteria that are lurking in the guts of patients. These bacteria can cause hard-to-treat disease in these patients, or even spread to other people in the community. 

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