Emergence and distribution of Polymyxin B Resistance in Carbapenemase-Producing Klebsiella pneumoniae isolates during COVID-19 pandemic. Klebsiella pneumoniae

COVID-19 first wave peak in Southern Brazil lasts from June to September 2020. Healthcare system collapsed and the country had the highest morbidity and mortality rates inside overcrowded intensive care Units (ICU). Antimicrobial resistance exploded among Acinetobacter baumannii and Carbapenemase-Producing K. pneumoniae (CPC-KPN). The correlation between clinical data and antibiotic resistance genes detection can provide relevant information about extensively-drug resistant bacteria spread within reference center ICUs.