R. Calil, S. Marba, A. Von-nowakonski, and A. T. Tresoldi, Reduction in colonization and nosocomial infection by multiresistant bacteria in a neonatal unit after institution of educational measures and restriction in the use of cephalosporins, Am J Infect Control, vol.29, pp.133-141, 2001.

N. Pestourie, F. Garnier, O. Barraud, A. Bedu, M. Ploy et al., Outbreak of AmpC ?-lactamase-hyper-producing Enterobacter cloacae in a neonatal intensive care unit in a French teaching hospital, Am J Infect Control, vol.42, pp.456-464, 2014.

H. Chen, M. Lee, Y. Lin, Y. Tsao, and L. , Late-onset Enterobacter cloacae sepsis in very-low-birth-weight neonates: experience in a medical center, Pediatr Neonatol, vol.50, pp.3-7, 2009.

C. Greenwood, A. L. Morrow, A. J. Lagomarcino, M. Altaye, D. H. Taft et al., Early empiric antibiotic use in preterm infants is associated with lower bacterial diversity and higher relative abundance of Enterobacter, J Pediatr, vol.165, pp.23-32, 2014.

N. Stoesser, A. E. Sheppard, M. Shakya, B. Sthapit, S. Thorson et al., Dynamics of MDR Enterobacter cloacae outbreaks in a neonatal unit in Nepal: insights using wider sampling frames and next-generation sequencing, J Antimicrob Chemother, vol.70, pp.1008-1023, 2015.

J. A. Lees, S. R. Harris, G. Tonkin-hill, R. A. Gladstone, S. W. Lo et al., Fast and flexible bacterial genomic epidemiology with PopPUNK, Genome Res, vol.29, pp.304-320, 2019.

R. H. Kuboyama, H. B. De-oliveira, and M. L. Moretti-branchini, Molecular epidemiology of systemic infection caused by Enterobacter cloacae in a high-risk neonatal intensive care unit, Infect Control Hosp Epidemiol, vol.24, pp.490-494, 2003.

D. K. Benjamin, W. Miller, H. Garges, D. K. Benjamin, R. E. Mckinney et al., Bacteremia, central catheters, and neonates: when to pull the line, Pediatrics, vol.107, pp.1272-1278, 2001.

D. Fischer, R. L. Schlößer, V. Kempf, T. A. Wichelhaus, T. Klingebiel et al., Overcrowding in a neonatal intermediate care unit: impact on the incidence of multidrug-resistant gram-negative organisms, BMC Infect Dis, vol.19, p.357, 2019.

S. Clock, Y. Ferng, S. Tabibi, L. Alba, S. Patel et al., Colonization with antimicrobial-resistant gram-negative bacilli at neonatal intensive care unit discharge, J Pediatric Infect Dis Soc, vol.6, pp.219-245, 2017.

V. Eichel, C. Papan, S. Boutin, J. Pöschl, K. Heeg et al., Alteration of antibiotic regimen as an additional control measure in suspected multidrug-resistant Enterobacter cloacae outbreak in a neonatal intensive care unit, J Hosp Infect, vol.104, pp.144-153, 2020.

, Publisher's Note

, Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations