Modification by Influenza on Health Effects of Air Pollution in Hong Kong
2009

Influenza's Impact on Air Pollution Health Effects in Hong Kong

publication Evidence: moderate

Author Information

Author(s): Wong Chit Ming, Yang Lin, Thach Thuan Quoc, Chau Patsy Yuen Kwan, Chan King Pan, Thomas G. Neil, Lam Tai Hing, Wong Tze Wai, Hedley Anthony J., Peiris J.S. Malik

Primary Institution: University of Hong Kong

Hypothesis

Does influenza modify the health effects of ambient air pollutants?

Conclusion

Influenza activity modifies the health effects of air pollutants, particularly ozone, and should be considered in health studies.

Supporting Evidence

  • Influenza intensity was found to significantly increase the risks associated with ozone exposure.
  • Significant modifying effects of influenza were observed for hospitalization due to respiratory diseases.
  • Laboratory studies suggest a potential interaction between air pollutants and influenza.

Takeaway

When there's more influenza around, air pollution can make people sicker, especially from ozone. It's important to pay attention to both when looking at health.

Methodology

Poisson regression was used to analyze daily hospitalizations and mortality data, adjusting for confounding variables.

Potential Biases

Potential biases from the interaction of pollutants and influenza were not fully explored.

Limitations

The study may not account for all confounding factors and the results could be influenced by multiple comparisons.

Participant Demographics

Data included various age groups and both sexes, but specific demographics were not detailed.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1289/ehp.11605

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