BIOFILMS BRING trouble. They account for more than 80% of microbial infections in the body, according to the National Institutes of Health (NIH), Behesda, Md. Examples include infections of the oral soft tissues, middle ear, gastrointestinal tract, urinogenital tract, airway/lung tissue, and the eye. Manmade devices suffer similarly, with in-dwelling catheters, pacemakers, prosthetic heart valves, stents and ventilator tubing at risk too.
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