The surveillance definitions, criteria logic and rate formulas behind every HICCOR alert — written for doctors, nurses, infection-control teams and administrators alike. Sourced from CDC/NHSN protocols with supporting guidance from WHO, ICMR, NCDC, ECDC, SHEA/IDSA and CLSI.
How HAI surveillance works
Surveillance definitions, date of event, windows and attribution
10 sections Read → VAE — Ventilator-Associated Events (adult)
VAC → IVAC → possible VAP, built on objective ventilator settings
10 sections Read → PedVAE — Paediatric Ventilator-Associated Events
A single-tier oxygenation-deterioration definition for children
10 sections Read → PNEU / VAP — Pneumonia and ventilator-associated pneumonia
PNU1, PNU2 and PNU3 — the clinical pneumonia definitions
10 sections Read → CLABSI — Central Line-Associated Bloodstream Infection
Primary bloodstream infection in a patient with a central line
10 sections Read → CAUTI — Catheter-Associated Urinary Tract Infection
Symptomatic UTI in a patient with an indwelling urinary catheter
10 sections Read → SSI — Surgical Site Infection
Superficial incisional, deep incisional and organ/space infection
10 sections Read → Other invasive devices & IDAI
Chest tubes, dialysis catheters, shunts, EVDs, drains and stents
10 sections Read → MDRO — Multidrug-Resistant Organisms
LabID events, onset classification and duplicate suppression
10 sections Read → CDI — Clostridioides difficile infection
LabID events, recurrence windows and diagnostic stewardship
10 sections Read → Comparing surveillance guidelines across the world
CDC/NHSN, WHO GLASS, ICMR, NCDC, ECDC and other national systems
10 sections Read → Rates, SIR, SUR and reading your dashboard
Every formula HICCOR uses, and how to interpret the result
10 sections Read → 