Multiseason transmission for Rift Valley fever in North America

Rachelle E. Miron, Gaël A. Giordano, Alison D. Kealey and Robert J. Smith?

Mathematical Population Studies, 2016, vol. 23, issue 2, 71-94

Abstract: Rift Valley fever is a vector-borne disease, primarly found in West Africa, that is transmitted to humans and domestic livestock. Its similarities to the West Nile virus suggest that establishment in the developed world may be possible. Rift Valley fever has the potential to invade North America, where seasons play a role in disease persistence. The values for the basic reproductive number show that, in order to eradicate the disease, the survival time of mosquitoes must decrease below 8.67 days. Mechanisms such as aggressive spraying that decreases the mosquito population can contain an outbreak. Otherwise, Rift Valley fever is likely to establish itself as a recurring seasonal outbreak. Rift Valley fever poses a potential threat to North America that would require aggressive interventions in order to prevent a recurring seasonal outbreak.

Date: 2016
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DOI: 10.1080/08898480.2013.836426

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