Seasonality and the persistence and invasion of measles
2007
How Birth Rate Affects Measles Persistence
publication
Evidence: moderate
Author Information
Author(s): Andrew J.K. Conlan, Bryan T. Grenfell
Primary Institution: Department of Zoology, Cambridge
Hypothesis
How does the critical community size (CCS) for measles scale with birth rate?
Conclusion
Higher birth rates can lead to a lower critical community size for measles, affecting its persistence and dynamics.
Supporting Evidence
- A doubling of the birth rate leads to a fivefold reduction in the critical community size.
- High birth rates can lead to significant changes in the dynamics of measles epidemics.
- Vaccination can alter the critical community size depending on the birth rate and transmission rates.
Takeaway
This study shows that in places with more babies born, measles can stick around longer, but it can also disappear more easily in smaller communities.
Methodology
The study used simple models to explore the relationship between birth rate and the critical community size for measles.
Limitations
The study primarily focuses on theoretical models and may not fully capture real-world complexities.
Digital Object Identifier (DOI)
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