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The environmental limits of Rift Valley Fever revealed using eco-epidemiological mechanistic models

Lo Iacono, Giovanni, Cunningham, Andrew A., Bett, Bernard, Grace, Delia, Redding, David W. and Wood, James L. N. (2018) The environmental limits of Rift Valley Fever revealed using eco-epidemiological mechanistic models Proceedings of the National Academy of Sciences, 115 (31). E7448-E7456.

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Abstract

Vector-borne diseases represent complex infection transmission systems; previous epidemiological models have been unable to formally capture the relationship between the ecological limits of vector species and the dynamics of pathogen transmission. By making this advance for the key disease, Rift Valley fever, we are able to show how seasonally varying availability of water bodies and ambient temperatures dictate when the mosquito vector populations will persist and importantly, those sets of conditions resulting in stable oscillations of disease transmission. Importantly, under the latter scenario, short-term health control measures will likely fail, as the system quickly returns to the original configuration after the intervention stops. Our model, therefore, offers an important tool to better understand vector-borne diseases and design effective eradication programs.

Item Type: Article
Divisions : Faculty of Health and Medical Sciences > School of Veterinary Medicine
Authors :
NameEmailORCID
Lo Iacono, Giovannig.loiacono@surrey.ac.uk
Cunningham, Andrew A.
Bett, Bernard
Grace, Delia
Redding, David W.
Wood, James L. N.
Date : 18 July 2018
Funders : Economic and Social Research (ESRC), Natural Environment Research Council (NERC)
DOI : 10.1073/pnas.1803264115
Copyright Disclaimer : Copyright 2018 The Author(s). Published under the PNAS license.
Uncontrolled Keywords : Rift Valley Fever; Vector-borne diseases; Zoonosis; Cross-species transmission; Stability analysis; Floquet analysis; Viral haemorrhagic fever
Depositing User : Clive Harris
Date Deposited : 28 Jun 2018 09:42
Last Modified : 19 Jan 2019 02:08
URI: http://epubs.surrey.ac.uk/id/eprint/848608

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