| GNB | Gram-negative bacteria |
| MCR | Mobilized colistin resistance |
| MDR | Multidrug resistance |
| WHO | World Health Organization |
| AMR | Antimicrobial resistance |
| KPC | Klebsiella pneumoniae carbapenemase |
| LOS | Longer hospital stays |
| IDSA | Infectious Diseases Society of America |
| NDM | New Delhi metallo-β-lactamase |
| AST | Antimicrobial susceptibility testing |
| MIC | Minimum Inhibitory Concentration |
| ICU | Intensive Care Unit |
| MALDI-TOF MS | Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry |
| LPS | Lipopolysaccharide |
| EUCAST | European Committee on Antimicrobial Susceptibility Testing |
| BMD | Broth microdilution |
| GLASS | Global Antimicrobial Resistance Surveillance System |
| FISH | Fluorescence In Situ Hybridization |
| NAAT | Nucleic Acid Amplification Technology |
| STs | Sequence types |
| PDT | Photodynamic therapy |
| CLSI | Clinical and laboratory standards institute |
| WGS | Whole-genome sequencing |
| ABCR | A. baumanii resistant to colistin |
| ABCS | A. baumanii sensitive to colistin |
| MDR UTI | Multidrug-resistant urinary tract infection |