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Peste des Petits Ruminants Virus Infection at the Wildlife–Livestock Interface in the Greater Serengeti Ecosystem, 2015–2019

Year of publication 2021

Place of publication Basel, Switzerland ;

Pages 30 p.

Author Jones, B.A.; Mahapatra, M.; Mdetele, D.; Keyyu, J.; Gakuya, F.; Eblate, E.; Lekolool, I.; Limo, C.; Ndiwa, J.N.; Hongo, P.; et al.

Publisher MDPI ;

Product type Article

Edition 1

Synopsis (short abstract) Peste des petits ruminants (PPR) is a viral disease of goats and sheep that occurs in Africa, the Middle East and Asia with a severe impact on livelihoods and livestock trade. Many wild artiodactyls are susceptible to PPR virus (PPRV) infection, and some outbreaks have threatened endangered wild populations. The role of wild species in PPRV epidemiology is unclear, which is a knowledge gap for the Global Strategy for the Control and Eradication of PPR. These studies aimed to investigate PPRV infection in wild artiodactyls in the Greater Serengeti and Amboseli ecosystems of Kenya and Tanzania. Out of 132 animals purposively sampled in 2015–2016, 19.7% were PPRV seropositive by ID Screen PPR competition enzyme-linked immunosorbent assay (cELISA; IDvet, France) from the following species: African buffalo, wildebeest, topi, kongoni, Grant’s gazelle, impala, Thomson’s gazelle, warthog and gerenuk, while waterbuck and lesser kudu were seronegative. In 2018–2019, a cross-sectional survey of randomly selected African buffalo and Grant’s gazelle herds was conducted. The weighted estimate of PPRV seroprevalence was 12.0% out of 191 African buffalo and 1.1% out of 139 Grant’s gazelles. All ocular and nasal swabs and faeces were negative by PPRV real-time reverse transcription-polymerase chain reaction (RT-qPCR). Investigations of a PPR-like disease in sheep and goats confirmed PPRV circulation in the area by rapid detection test and/or RT-qPCR. These results demonstrated serological evidence of PPRV infection in wild artiodactyl species at the wildlife–livestock interface in this ecosystem where PPRV is endemic in domestic small ruminants. Exposure to PPRV could be via spillover from infected small ruminants or from transmission between wild animals, while the relatively low seroprevalence suggests that sustained transmission is unlikely. Further studies of other major wild artiodactyls in this ecosystem are required, such as impala, Thomson’s gazelle and wildebeest.

Open Access Article. This article is academically peer-reviewed and published externally. This article is published in Viruses Volume 13, Issue 5: 838, 2021. Viruses (ISSN 1999-4915; CODEN: VIRUBR) is a peer-reviewed, open access journal of virology, published monthly online by MDPI.

Cite this content as:

​Jones, B.A.; Mahapatra, M.; Mdetele, D.; Keyyu, J.; Gakuya, F.; Eblate, E.; Lekolool, I.; Limo, C.; Ndiwa, J.N.; Hongo, P.; Wanda, J.S.; Shilinde, L.; Mdaki, M.; Benfield, C.; Parekh, K.; Mayora Neto, M.; Ndeereh, D.; Misinzo, G.; Makange, M.R.; Caron, A.; Bataille, A.; Libeau, G.; Guendouz, S.; Swai, E.S.; Nyasebwa, O.; Koyie, S.L.; Oyas, H.; Parida, S.; Kock, R. Peste des Petits Ruminants Virus Infection at the Wildlife–Livestock Interface in the Greater Serengeti Ecosystem, 2015–2019. Viruses 2021, 13, 838. https://doi.org/10.3390/v13050838

Language English

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