According to Public Health France, one in eighteen hospitalized patients in France is affected by at least one nosocomial infection. A rebound of nearly 15% between 2017 and 2022 of increase in these infections contracted in a health facility, which is partly explained by Covid.

Urinary tract infections, related to surgery, pneumonia, bacteremia (presence of bacteria in the blood) remain the main manifestations of the scourge. Four bacteria, including Escherichia coli and Staphylococcus aureus, are involved in nearly one in two cases.