Validation of Syndromic Surveillance for Respiratory Pathogen Activity
2008

Validation of Syndromic Surveillance for Respiratory Pathogen Activity

publication Evidence: moderate

Author Information

Author(s): van den Wijngaard Cees, van Asten Liselotte, van Pelt Wilfrid, Nagelkerke Nico J.D., Verheij Robert, de Neeling Albert J., Dekkers Arnold, van der Sande Marianne A.B., van Vliet Hans, Koopmans Marion P.G.

Primary Institution: National Institute for Public Health and the Environment, Bilthoven, the Netherlands

Hypothesis

The studied respiratory syndromes are suitable for syndromic surveillance because they reflect respiratory pathogen activity patterns.

Conclusion

These syndromes can be used for respiratory syndromic surveillance, since they reflect patterns in respiratory pathogen activity.

Supporting Evidence

  • Respiratory syndromes showed higher levels in winter, corresponding with higher laboratory counts of respiratory pathogens.
  • Multiple linear regression models indicated that most syndrome variations can be explained by counts of respiratory pathogens.
  • Absenteeism data showed the earliest syndrome elevations, followed by hospital data and pharmacy consultations.

Takeaway

This study shows that certain health data can help us detect respiratory illnesses early by looking at patterns in symptoms.

Methodology

The study retrospectively investigated the extent to which 6 respiratory syndromes reflected respiratory pathogen activity using multiple linear regression models.

Potential Biases

Changes in test volume over time could lead to misclassification bias.

Limitations

The short duration of the time series for absenteeism and pharmacy data limits the generalizability of the findings.

Participant Demographics

Data were collected from various health-related registries in the Netherlands.

Statistical Information

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3201/eid1406.071467

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