High colonization by multidrug-resistant and virulent Staphylococcus aureus genotypes among critically ill patients in the COVID-19 pandemic in a Brazilian hospital.

Individuals colonized by MRSA are at higher risk of infection and may be a source of pathogen spread to other patients and/or the environment [ 10 , 11 ] In a meta-analysis Ziakas and coworkers, 2014, showed that in intensive care units (ICUs), almost 10% of patients are colonized with MRSA upon admission, with a significant trend toward an increased risk of infections during the ICU stay [ 12 ].

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