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Free Content Early determination of the reproductive number for vector-borne diseases: the case of dengue in Brazil

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Summary Objective 

To evaluate a new method of deriving the reproductive number for vector-borne diseases from the early epidemic curves for vector-borne diseases with incubations in the vectors and in the hosts. Method 

We applied the model to several dengue epidemics in different climatic regions of Brazil: Brasilia, Belém, Fortaleza, Boa Vista. Results 

The new method leads to higher estimates of the reproductive number than previous models. Conclusion 

At present, Aedes aegypti densities, the meeting of more compatible strains of viruses and mosquitoes, may lead to re-emergence of urban yellow fever epidemics.

Keywords: Brazil; dengue; reproductive number; vector borne diseases; yellow fever

Document Type: Research Article


Affiliations: 1: LOCEAN, UMR 7159-IRD/UR182, Paris, France 2: CEVEPI, SES-CE, Fortaleza, Brazil 3: Núcleo Avançado de Vetores, Centro de Ciências Biológicas e da Saúde, UFRR, Boa Vista, Brazil 4: IRD/UR178 Institut Français de Pondichéry (Epidémiologie Spatiale) 11, Pondicherry, India 5: DIVAL, SES-DF, Brasília, Brazil

Publication date: March 1, 2006

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