Strains of K. pneumoniae resistant to extended beta‐lactamases or carbapenems as well as carbapenem‐resistant P. aeruginosa are classified in the critical category for new antibiotics development and are prevalent in healthcare‐associated infections (Mulani et al., 2019; Navon‐Venezia et al., 2017; Tacconelli et al., 2018). The gene discussed is LACTB; the disease is infection.