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

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

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Observations and perceptions of veterinarians and farmers on heartwater distribution, occurrence and associated factors in South Africa

Background: There is currently no scientific evidence regarding the current climatic or other epidemiological factors that could influence the occurrence of heartwater in South Africa. Objectives: The objective was to determine whether climatic changes or other epidemiological factors influence the occurrence of heartwater in South Africa. Method: A survey was conducted to scrutinise these factors using both veterinarians and farmers working in known areas in which heartwater had previously been confirmed to establish the value of each of these factors.

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Foot and mouth disease in a wide range of wild hosts: a potential constraint in disease control efforts worldwide particularly in disease-endemic settings

Foot and mouth disease (FMD) is a viral disease that affects predominantly cloven-footed animal species within the order Artiodactyla. The potential of the virus to transmit, maintain and circulate itself across a wide range of susceptible hosts, including both domestic and wild ungulates, remains a single major obstacle in an effective eradication of disease worldwide, particularly in disease-endemic settings. Hence, a better understanding of virus transmission dynamics is very much crucial for an efficient control of the disease, particularly at

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Giraffe Skin Disease (GSD): Epidemiology of an Emerging Disease

Diseases can greatly impact wildlife populations by causing temporary or permanent decreases in abundance.  Pathogens also can interact with other factors such as habitat loss, climate change, and overexploitation to cause local extinctions. The iconic Maasai giraffe (Giraffa camelopardalis tippelskirchi) is the national animal of the United Republic of Tanzania. The range of giraffe once covered most of Africa, but is presently discontinuous and much reduced as a result of the rinderpest pandemic, poaching, human settlement, deforestation, and expansion of

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Investigation report on giraffe skin disease of Ruaha National Park, Southern Highlands of Tanzania

Giraffe Skin Disease (GSD) is a newly observed condition mainly affecting adult and sub-adult giraffes in Ruaha National Park (RNP). For the first time, the disease was observed at Lunda, northeastern part of RNP in November 2000 but the disease was thought to have existed for some time. A seasonal variation in the prevalence has also been observed with more animals being affected during the rainy season compared to those affected in the dry season. This study was undertaken with

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Linking social and pathogen transmission networks using microbial genetics in giraffe (Giraffa camelopardalis)

Although network analysis has drawn considerable attention as a promising tool for disease ecology, empirical research has been hindered by limitations in detecting the occurrence of pathogen transmission (who transmitted to whom) within social networks. Using a novel approach, we utilize the genetics of a diverse microbe, Escherichia coli, to infer where direct or indirect transmission has occurred and use these data to construct transmission networks for a wild giraffe population (Giraffe camelopardalis). Individuals were considered to be a part

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