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Interaction networks between antibiotic exposure, microbial factors and clinical features in nursing home patients influence the risk of catheter-associated urinary tract infection.

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Network of microbial and antibiotic interactions drive colonization and infection with multidrug-resistant organisms

The proliferation of multidrug-resistant organisms (MDROs) is one of the world’s most pressing public health problems. Despite great efforts to prevent MDRO spread in healthcare facilities, antibiotic-resistant infections remain a significant threat. We hypothesized that current infection prevention initiatives are hindered by their targeting of individual MDROs; neglecting the fact that healthcare institutions have multiple circulating MDRO species whose propagation is driven by competing risk factors. We tested this hypothesis by identifying risk factors for the spread of multiple MDROs among nursing home residents and unraveled a complex network of interactions between antibiotic exposure and microbial factors. Our results indicate that interactions among MDROs and underlying drivers must be considered simultaneously to design optimal strategies to reduce MDRO propagation.

This repository contains analysis scripts and example clinical datasets for generating figures in the manuscript published in Proceedings of the National Academy of Sciences in 2017.

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Interaction networks between antibiotic exposure, microbial factors and clinical features in nursing home patients influence the risk of catheter-associated urinary tract infection.

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