Artículo de revisión

Published on 20 de octubre de 2025 | http://doi.org/10.5867/medwave.2025.09.3026

Available evidence on integrating COVID-19 into sentinel surveillance systems: A scoping review

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Summary of the performance characteristics of the case definitions.
InfluenzaCOVID-19 (2021 evaluation)
SensitivitySpecificitySensitivitySpecificity
ILI45 to 55%85 to 95%20 to 55%38 to 90%
ARI94%27%60 to 96%10 to 45%
SARI45 to 70%45 to 70%33 to 62%31 to 77%

ILI, influenza-like illness. SARI, severe acute respiratory infection. ARI, acute respiratory infection.

Source: End-to-end integration of SARS-CoV-2 and influenza sentinel surveillance: revised interim guidance.