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CDC’s National Healthcare Safety Network is the nation’s most widely used healthcare-associated infection tracking system. NHSN provides facilities, states, regions, and the nation with data needed to identify problem areas, measure progress of prevention efforts, and ultimately eliminate healthcare-associated infections.

In addition, NHSN allows healthcare facilities to track blood safety errors and important healthcare process measures such as healthcare personnel influenza vaccine status and infection control adherence rates.

About NHSN

CDC's NHSN is the largest HAI reporting system in the U.S.

Data and Reports

See national and state reports using NHSN data.

Guidelines and Recommendations

Review CDC HAI prevention guidelines.


New to NHSN? Enroll Facility Here

For first time facility enrollment.

Reporting and Surveillance for Enrolled Facilities

Training, protocols, forms, support materials, analysis resources and FAQs.

Group Users

View resources for group users.

Clinical Document architecture (CDA)

CDA Submission Support Portal (CSSP)

Toolkits, FAQs, webinars and resources for testing and validation for CDA implementers.