Influence of birth rates and transmission rates on the global seasonality of rotavirus incidence
2011

Influence of Birth and Transmission Rates on Rotavirus Seasonality

Sample size: 15 publication 10 minutes Evidence: moderate

Author Information

Author(s): Virginia E. Pitzer, Cécile Viboud, Ben A. Lopman, Manish M. Patel, Umesh D. Parashar, Bryan T. Grenfell

Primary Institution: Princeton University

Hypothesis

Can dynamic resonance explain the geographical variation in rotavirus seasonality?

Conclusion

High birth and transmission rates in developing countries may explain the lack of rotavirus seasonality observed in these regions.

Supporting Evidence

  • Model-predicted seasonal incidence patterns were significantly correlated with observed data (Spearman's ρ = 0.65).
  • Vaccination may increase seasonal variation in rotavirus incidence in some settings.
  • High birth rates in developing countries contribute to the lack of rotavirus seasonality.

Takeaway

This study looks at how the number of babies born and how fast rotavirus spreads can change when rotavirus gets more common in different places.

Methodology

Mathematical modeling of rotavirus transmission dynamics fitted to age distribution data from 15 countries.

Potential Biases

Potential biases in reporting rates and treatment-seeking behavior may affect the results.

Limitations

The study's estimates may be biased due to differences in surveillance methods and population demographics.

Participant Demographics

Data from children under 5 years of age from 15 countries across eight regions.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1098/rsif.2011.0062

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