Key Points

Monitoring of reports of nosocomial COVID-19 cases, e-SIN, France, March 1, 2020, to February 18, 2022

• 75% of the reports received corresponded to clusters (at least 3 linked cases).

• 77% of HC reports were confirmed or probable nosocomial cases.

• 35% of transmission scenarios were due to the failure to identify the case upon admission, and 29% to lapses in the implementation of infection control measures, since the start of Wave 5.

• 100% of healthcare facilities have implemented screening upon identification of a CG since the start of Wave 5.