Myreen E. Tomas

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UNLABELLED Clostridium difficile is a leading cause of nosocomial infections worldwide and has become an urgent public health threat requiring immediate attention. Epidemic lineages of the BI/NAP1/027 strain type have emerged and spread through health care systems across the globe over the past decade. Limiting person-to-person transmission and eradicating(More)
BACKGROUND The intestinal microbiota protect the host against enteric pathogens through a defense mechanism termed colonization resistance. Antibiotics excreted into the intestinal tract may disrupt colonization resistance and alter normal metabolic functions of the microbiota. We used a mouse model to test the hypothesis that alterations in levels of(More)
BACKGROUND Healthcare personnel often use incorrect technique for donning and doffing of personal protective equipment (PPE). OBJECTIVE We tested the hypothesis that medical students receive insufficient training on correct methods for donning and doffing PPE. METHODS We conducted a cross-sectional survey of medical students on clinical rotations at two(More)
Simulations using fluorescent tracers can be useful in understanding the spread of pathogens and in devising effective infection control strategies. During simulated patient care interactions in which providers wore gloves and gowns, we evaluated environmental and personnel dissemination of fluorescent lotion and bacteriophage MS2 from a contaminated(More)
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