Regarding infections sustained by beta-lactamase-producing bacteria, it is worth noting that microbiological eradication occurred in most of the cases caused by ESBL-producing Enterobacterales (6/7; 85.7%; 4 BSI and 2 VAP), all attaining optimal joint PK/PD target, but in none of those caused by AmpC-producing Enterobacterales (3/3; 0%; 3 VAP). The gene discussed is LACTB; the disease is bathing suit ichthyosis.