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A cross-sectional study was carried out to determine foot-and-mouth disease (FMD) seroprevalence and identify risk factors of exposure among cattle herds raised in three zones with different types of land use and progressively distant from the Maasai Mara National Reserve (MMNR) boundary. We sele...


Nthiwa, D.Bett, Bernard K.Odongo, D.Kenya, E.Wainaina, M.Grazioli, S.Foglia, E.Brocchi, E.Alonso, Silvia[Seroprevalence of foot-and-mouth disease virus in cattle herds raised in Maasai Mara ecosystem in Kenya]Seroprevalence of foot-and-mouth disease virus in cattle herds raised in Maasai Mara ecosystem in Kenya

This review outlines the benefits of using multiple approaches to improve model design and facilitate multidisciplinary research into infectious diseases, as well as showing and proposing practical examples of effective integration. It looks particularly at the benefits of using participatory res...


Grant, C.Lo Iacono, G.Dzingirai, V.Bett, Bernard K.Winnebah, T.R.A.Atkinson, P.M.[Moving interdisciplinary science forward: Integrating participatory modelling with mathematical modelling of zoonotic disease in Africa]Moving interdisciplinary science forward: Integrating participatory modelling with mathematical modelling of zoonotic disease in Africa

Background: Human behavioral factors have been found to be central in the transmission of Rift Valley fever. Consumption of contaminated meat and milk in particular have been identified as one of the key risk factors for the transmission of Rift Valley fever in humans. In pastoral communities, li...


Ng'ang'a, C.M.Bukachi, S.A.Bett, Bernard K.[Lay perceptions of risk factors for Rift Valley fever in a pastoral community in northeastern Kenya]Lay perceptions of risk factors for Rift Valley fever in a pastoral community in northeastern Kenya

In controlling Rift Valley fever, public health sector optimises health benefits by considering cost-effective control options. We modelled cost-effectiveness of livestock RVF control from a public health perspective in Kenya. Analysis was limited to pastoral and agro-pastoral system high-risk ar...


Kimani, T.Schelling, E.Bett, Bernard K.Ngigi, M.Randolph, Thomas F.Fuhrimann, S.[Public health benefits from livestock Rift Valley fever control: A simulation of two epidemics in Kenya]Public health benefits from livestock Rift Valley fever control: A simulation of two epidemics in Kenya

Rift Valley fever (RVF) is a mosquito-borne viral zoonosis that is found in most regions of sub-Saharan Africa, and it affects humans, livestock, and some wild ungulates. Outbreaks are precipitated by an abundance of mosquito vectors associated with heavy persistent rainfall with flooding. We det...


Sang, R.Lutomiah, J.Said, Mohammed YahyaMakio, A.Koka, H.Koskei, E.Nyunja, A.Owaka, S.Matoke-Muhia, D.Bukachi, S.Lindahl, Johanna F.Grace, DeliaBett, Bernard K.[Effects of irrigation and rainfall on the population dynamics of Rift Valley fever and other arbovirus mosquito vectors in the epidemic-prone Tana River County, Kenya]Effects of irrigation and rainfall on the population dynamics of Rift Valley fever and other arbovirus mosquito vectors in the epidemic-prone Tana River County, Kenya

Background The impacts of vaccination on the transmission of Rift Valley fever virus (RVFV) have not been evaluated. We have developed a RVFV transmission model comprising two hosts—cattle as a separate host and sheep and goats as one combined host (herein after referred to as sheep)—and two vec...


Gachohi, John M.Njenga, M.K.Kitala, P.Bett, Bernard K.[Modelling vaccination strategies against Rift Valley fever in livestock in Kenya]Modelling vaccination strategies against Rift Valley fever in livestock in Kenya

Background West Nile fever virus is a zoonotic arboviral infection maintained in a sylvatic cycle involving mosquito vectors and birds. It is one the arboviruses whose geographical range is expanding because of climate and land use changes that enhance the densities of mosquitoes and promote mosq...


Nyamwaya, D.Wang'ondu, V.Amimo, Joshua O.Michuki, G.Ogugo, M.Ontiri, E.Sang, R.Lindahl, Johanna F.Grace, DeliaBett, Bernard K.[Detection of West Nile virus in wild birds in Tana River and Garissa Counties, Kenya]Detection of West Nile virus in wild birds in Tana River and Garissa Counties, Kenya

We designed and piloted a livestock identification and traceability system (LITS) along the Northern Tanzania–Narok–Nairobi beef value chain. Animals were randomly selected and identified at the primary markets using uniquely coded ear tags. Data on identification, ownership, source (village), an...


Mutua, F.Kihara, AbsolomonRogena, J.Ngwili, N.Aboge, G.Wabacha, J.Bett, Bernard K.[Piloting a livestock identification and traceability system in the northern Tanzania–Narok–Nairobi trade route]Piloting a livestock identification and traceability system in the northern Tanzania–Narok–Nairobi trade route

Highly Pathogenic Avian Influenza (HPAI) is classified by the World Organization for Animal Health as one of the notifiable diseases. Its occurrence is associated with severe socio-economic impacts and is also zoonotic. Bangladesh HPAI epidemic data for the period between 2007 and 2013 were obtai...


Ssematimba, A.Okike, I.Ahmed, G.M.Yamage, M.Boender, G.J.Hagenaars, T.J.Bett, Bernard K.[Estimating the between-farm transmission rates for highly pathogenic avian influenza subtype H5N1 epidemics in Bangladesh between 2007 and 2013]Estimating the between-farm transmission rates for highly pathogenic avian influenza subtype H5N1 epidemics in Bangladesh between 2007 and 2013

Livestock-wildlife interactions promote the transmission of a wide range of infectious diseases that constraint livestock production. We used a participatory appraisal approach to find out and rank infectious diseases of concern to pastoralists in a zone of intense wildlife-livestock interaction ...


Nthiwa, DanielAlonso, SilviaOdongo, David O.Kenya, EuchariaBett, Bernard K.[A participatory epidemiological study of major cattle diseases amongst Maasai pastoralists living in wildlife-livestock interfaces in Maasai Mara, Kenya]A participatory epidemiological study of major cattle diseases amongst Maasai pastoralists living in wildlife-livestock interfaces in Maasai Mara, Kenya

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