The quarterly newsletter that tells hospitals how infection reporting changed

The National Healthcare Safety Network (NHSN) is the system through which
US healthcare facilities report infections and safety data — the source of the
national figures on bloodstream infections, surgical site infections, *C.
difficile* and the rest.

A surveillance system used by thousands of separate institutions only produces
comparable numbers if every institution changes what it does at the same
moment and in the same way. **The quarterly NHSN newsletter is how that
happens.**

What a quarter's edition contains

Across recent editions, the recurring sections are:

• Analysis and protocol changes — the definitions and methods, which is
  the part that alters what a reported number means
• Antibiotic Use and Resistance (AUR) Module updates and enhancements
• Healthcare Personnel Safety Component highlights
• Long-term Care Facility Component highlights
• Dialysis Component updates, including quality improvement programme
  deadlines
• Biovigilance / Hemovigilance reminders
• Education and training information, and general NHSN news

Individual quarters carry specific consequences: one edition announced the
retirement of the CLIP Modules, another a **Q1 dialysis quality
improvement programme deadline**.

Why a newsletter rather than a manual

A protocol change published in a manual is authoritative and easy to miss. The
newsletter exists because the failure mode of a distributed surveillance
system is not disagreement but drift — facilities carrying on with last
year's definitions while the national analysis assumes this year's.

Every quarterly edition is, in effect, a synchronisation point for the data
that the national healthcare-associated infection reports are built from.

Facilities can subscribe by email to receive it.

*Source: National Healthcare Safety Network, Centers for Disease Control and
Prevention.*