Longitudinal study of selected bacterial zoonoses in small ruminants in Tana River County, Kenya

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dc.creatorWainaina, Martin
dc.creatorLindahl, Johanna F.
dc.creatorDohoo, I.
dc.creatorMayer-Scholl, A.
dc.creatorRoesel, Kristina
dc.creatorMbotha, Deborah
dc.creatorRoesler, U.
dc.creatorGrace, Delia
dc.creatorBett, Bernard K.
dc.creatorAl Dahouk, S.
dc.date2022-08-15
dc.date2022-08-30T10:22:09Z
dc.date2022-08-30T10:22:09Z
dc.date.accessioned2026-06-27T16:48:26Z
dc.descriptionBrucellosis, Q fever, and leptospirosis are priority zoonoses worldwide, yet their epidemiology is understudied, and studies investigating multiple pathogens are scarce. Therefore, we selected 316 small ruminants in irrigated, pastoral, and riverine settings in Tana River County and conducted repeated sampling for animals that were initially seronegative between September 2014 and June 2015. We carried out serological and polymerase chain reaction tests and determined risk factors for exposure. The survey-weighted serological incidence rates were 1.8 (95% confidence intervals [CI]: 1.3–2.5) and 1.3 (95% CI: 0.7–2.3) cases per 100 animal-months at risk for Leptospira spp. and C. burnetii, respectively. We observed no seroconversions for Brucella spp. Animals from the irrigated setting had 6.83 (95% CI: 2.58–18.06, p-value = 0.01) higher odds of seropositivity to C. burnetii than those from riverine settings. Considerable co-exposure of animals to more than one zoonosis was also observed, with animals exposed to one zoonosis generally having 2.5 times higher odds of exposure to a second zoonosis. The higher incidence of C. burnetii and Leptospira spp. infections, which are understudied zoonoses in Kenya compared to Brucella spp., demonstrate the need for systematic prioritization of animal diseases to enable the appropriate allocation of resources.
dc.identifierhttps://hdl.handle.net/10568/121004
dc.identifier.urihttp://hdl.handle.net/123456789/133707
dc.languageen
dc.publisherMDPI
dc.rightsOpen Access
dc.sourceWainaina, M., Lindahl, J.F., Dohoo, I., Mayer-Scholl, A., Roesel, K., Mbotha, D., Roesler, U., Grace, D., Bett, B. and Al Dahouk, S. 2022. Longitudinal study of selected bacterial zoonoses in small ruminants in Tana River County, Kenya. Microorganisms 10(8): 1546.
dc.subjectzoonoses
dc.subjectsmall ruminants
dc.subjectsheep
dc.subjectgoats
dc.subjectbrucellosis
dc.subjectleptospirosis
dc.subjectq fever
dc.titleLongitudinal study of selected bacterial zoonoses in small ruminants in Tana River County, Kenya
dc.typeJournal Article

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Instituto Internacional de Investigaciones Pecuarias (ILRI)