Annex 4: Validation protocol - Case definitions

This protocol provides national survey coordinators (NSCs) and national/regional validation teams (VTs) with the methodology, data collection forms and definitions of variables to collect data in a validation survey synchronous with the third point prevalence survey (PPS) of healthcare-associated infections (HAIs) and antimicrobial use in European long-term care facilities (LTCFs) during the HALT-3 project.