Emergence of a new KPC-3 variant in the high-risk clone ST307-Klebsiella pneumoniae after ceftazidime-avibactam exposure in a tertiary hospital in Madrid

We found a new KPC-3 variant in the high-risk clone ST307-Klebsiella pneumoniae after the treatment with ceftazidime-avibactam我们在经头孢他啶-阿维巴坦（ceftazidime-avibactam）治疗后的高风险克隆ST307型肺炎克雷伯菌（ST307-Klebsiella pneumoniae）中，发现了一种新型KPC-3变体。