"Who hasn't heard of Candida? It’s one of the most common fungal pathogens of humans. It is also a commensal organism, living mainly in people’s gastrointestinal tract. The diseases it causes range from a fairly mild vaginitis to deadly opportunistic systemic infections. In fact, Candida species are a major cause of nosocomial bloodstream infections. Candidas are close relatives of the baker’s yeast, Saccharomyces cerevisiae, but live by very different rules."
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