“…It is characterized as the second most frequent infection in the general population and occurs in all ages, but there is a higher frequency in three age groups: children up to 6 years of age, young women with active sex life and elderly adults over 60 years of age. 9,10 Most infections caused by Enterobacteria that produce the enzyme KPC, occur in patients with impaired immunity, who have comorbidities. These are transplant patients, neutropenic, using invasive ventilatory support, those in ICU, with long periods of hospitalization, who present a high risk of infection or colonization for microorganisms with a broad spectrum of resistance, and also with invasive devices such as: catheter, probe, peripheral venous puncture, LPP, tracheostomy, among others.…”