Surveillance of severe acute respiratory infections using ICD-10 diagnosis codes and national electronic health records, Denmark, 2022 to 2024.

ABSTRACT: BACKGROUNDThe COVID-19 pandemic underscored the need and value of a standardised and timely surveillance system for severe acute respiratory infections (SARI) to inform epidemic preparedness and response.AIMWe aimed to develop an automated SARI surveillance system using electronic health records retrieved from pre-existing national health registers in Denmark.METHODSWe used the Danish Civil Register, the Danish National Patient Register and the Danish Microbiology Database to set up the system. First, we determined a SARI case definition for surveillance, choosing among six different potentially usable combinations of ICD-10 diagnosis codes by exploring how each combination captured patient characteristics (age, hospital admission length, mortality, laboratory tests and seasonality). Secon

SUBMITTER: Lomholt FK 

PROVIDER: S-EPMC12372893 | biostudies-literature | 2025 Aug

REPOSITORIES: biostudies-literature