Bacterial infections are the primary cause of respiratory decline and mortality in cystic fibrosis (CF) patients. In a recent study, Diaz Caballero and colleagues [1] (PLoS Pathog. 2018;14:e1007453) catalogued the molecular adaptation of a decade-long Burkholderia multivorans infection in a Canadian CF patient, which evolved to become resistant towards multiple classes of antibiotics.
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