Modelling the Proportion of Influenza Infections within Households during Pandemic and Non-Pandemic Years
2011

Influenza Infections within Households

publication Evidence: moderate

Author Information

Author(s): Kwok Kin On, Leung Gabriel M., Riley Steven

Primary Institution: The University of Hong Kong

Hypothesis

There could be substantial differences between the proportion of infections that occur within a household during pandemic and non-pandemic years.

Conclusion

The proportion of infections that occur within households during pandemics is similar to that during non-pandemic years.

Supporting Evidence

  • The study found that during pandemics, the number of within-household infections was lower than expected due to community infections.
  • The proportion of infections within households was found to be similar in both pandemic and non-pandemic years.

Takeaway

This study looks at how many people get the flu from others in their homes during pandemics and regular years, finding that the numbers are quite similar.

Methodology

The study used deterministic mathematical models to simulate influenza transmission over multiple seasons.

Potential Biases

The study relies on theoretical models and lacks empirical data from actual pandemics.

Limitations

The model does not account for vaccination and assumes the basic reproductive number is the same in pandemic and non-pandemic years.

Participant Demographics

The study is based on household structures in Hong Kong, which may not represent other populations.

Digital Object Identifier (DOI)

10.1371/journal.pone.0022089

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