Modelling the Effects of Population Structure on Childhood Disease: The Case of Varicella
2011

Modeling the Spread of Chickenpox in Children

Sample size: 35000 publication Evidence: high

Author Information

Author(s): Romain Silhol, Pierre-Yves Boëlle

Primary Institution: Université Pierre et Marie Curie-Paris 6

Hypothesis

Whether detailed population structure in models improves predictions of varicella transmission.

Conclusion

The study shows that detailed models can accurately predict varicella incidence and inform public health decisions.

Supporting Evidence

  • The model accurately reproduced the cumulative incidence of varicella according to age.
  • Infections were predicted to occur more frequently in urban settings compared to rural ones.
  • The model showed that school exclusion policies significantly impact the age of varicella infection.

Takeaway

This study created a computer model to see how chickenpox spreads among kids, showing that knowing more about where kids live and go to school helps predict outbreaks better.

Methodology

An individual-based, agent-based model was developed using detailed demographic data from Corsica to simulate varicella transmission.

Limitations

The model did not account for changes in household structure due to divorce or remarriage and did not include day care settings.

Participant Demographics

Children under 12 years old from Corsica.

Digital Object Identifier (DOI)

10.1371/journal.pcbi.1002105

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