Table 1. World Health Organization (WHO) priority pathogens list (2017): key antibiotic-resistant Bacteria [94]

Priority level Pathogens Antibiotic Resistance
Critical Acinetobacter baumannii Carbapenem resistant
Pseudomonas aeruginosa Carbapenem resistant
Enterobacteriaceae (including K. pneumoniae, E. coli, Enterobacter spp.) Carbapenem resistant 3rd generation cephalosporin resistant
High Enterococcus faecium Vancomycin resistant
Staphylococcus aureus Methicillin resistant Vancomycin intermediate and resistant
Helicobacter pylori Clarithromycin resistant
Campylobacter Fluoroquinolone resistant
Salmonella spp. Fluoroquinolone resistant 3rd generation cephalosporin resistant
Neisseria gonorrhoeae Fluoroquinolone resistant
Medium Streptococcus pneumoniae Penicillin nonsusceptible
Haemophilus influenzae Ampicillin resistant
Shigella spp. Fluoroquinolone resistant