Gut microbiota discovered as the most common origins of hospital-acquired bloodstream infections

A team of scientists at Stanford University School of Medicine (CA, USA) have found that bloodstream infections acquired during a hospital stay mostly originate from the gut of the patient, contrary to common belief.

Through new bioinformatics techniques, including their own software StrainSifter, the scientists were able to readily identify probable sources of bloodstream infections with high accuracy, leading to this discovery. The large intestines were found to be the most common culprits acting as the origin of infection. This is opposed to prior beliefs that the most likely source of these infections is through contamination from unhygienic conditions or from other patients in hospitals.

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