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Browsing Research Articles (University of Pretoria) by UP Author "Ebersohn, Karen"
Now showing items 1-10 of 10
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Coetzee, Peter; Guthrie, Alan John; Ebersohn, Karen; Maclachlan, James N.; Ismail, Arshad; Van Schalkwyk, Antoinette; Venter, Estelle Hildegard (American Society for Microbiology, 2020-05-28)This is a report of the complete genome sequences of plaque-selected isolates of five virus strains included in bottle A of the South African Onderstepoort Biological Products commercial live attenuated bluetongue virus vaccine.
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Venter, Gert Johannes; Labuschagne, Karien; Majatladi, Daphney M.; Boikanyo, Solomon N.B.; Lourens, Carina W.; Ebersohn, Karen; Venter, Estelle Hildegard (AOSIS OpenJournals Publishing, 2014-11-14)In South Africa, outbreaks of African horse sickness (AHS) occur in summer; no cases are reported in winter, from July to September. The AHS virus (AHSV) is transmitted almost exclusively by Culicoides midges (Diptera: ...
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Annandale, C.H. (Cornelius Henry); Smuts, M.P. (Mario); Ebersohn, Karen; Du Plessis, Lizette; Venter, Estelle Hildegard; Stout, T.A.E. (Tom) (Elsevier, 2018-08)Lumpy skin disease is an economically important disease of cattle, caused by the lumpy skin disease virus (LSDV; Capripoxvirus). It has a variable clinical appearance but, in severely affected animals, is associated with ...
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The incursion and spread of highly pathogenic avian influenza H5N8 clade 2.3.4.4 within South Africa Abolnik, Celia; Pieterse, Renee; Peyrot, B.M.; Choma, P.; Phiri, Thandeka Precious; Ebersohn, Karen; Van Heerden, C.J.; Vorster, A.A.; Van der Zel, G.; Geertsma, P.J.; Laleye, Agnes Tinuke; Govindasamy, Krpasha; Rauffy, D.L. (American Association of Avian Pathologists, 2019)The report of a mass die-off of white-winged terns (Chlidonias leucopterus) along the shores of Lake Victoria in Uganda in January 2017 was a warning that highly pathogenic avian influenza (HPAI) H5N8 clade 2.3.4.4 had ...
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Fringe, Raul; Bosman, Anna-Mari; Ebersohn, Karen; Bisschop, S.P.R. (Shahn); Abolnik, Celia; Venter, Estelle Hildegard (AOSIS Open Journals, 2012-08-31)Newcastle disease (ND) is regarded as a highly contagious and economically important disease in poultry and has a worldwide distribution. Viral determinants for Newcastle disease virus (NDV) virulence are not completely ...
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Ebersohn, Karen; Coetzee, Peter; Snyman, Louwrens Pieter; Swanepoel, Robert; Venter, Estelle Hildegard (MDPI Publishing, 2019-05)The Palyam serogroup orbiviruses are associated with abortion and teratogenesis in cattle and other ruminants. Of the 13 different serotypes that have been identified, the full genome sequence of only one, Kasba, has been ...
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Steyn, Jumari; Venter, Gert Johannes; Labuschagne, Karien; Majatladi, Daphney; Boikanyo, Solomon N.B.; Lourens, Carina W.; Ebersohn, Karen; Venter, Estelle Hildegard (AOSIS OpenJournals, 2016-10-31)Several studies have demonstrated the ability of certain viruses to overwinter in arthropod vectors. The over-wintering mechanism of bluetongue virus (BTV) is unknown. One hypothesis is over-wintering within adult ...
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Van Schalkwyk, Antoinette; Kara, Pravesh Deepak; Ebersohn, Karen; Mather, Arshad; Annandale, Cornelius Henry; Venter, Estelle Hildegard; Wallace, David Brian (Wiley, 2020-11)South Africa is endemic for lumpy skin disease and is therefore reliant on various live attenuated vaccines for the control and prevention of the disease. In recent years, widespread outbreaks of vaccine-like strains of ...
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Annandale, Cornelius Henry; Holm, Dietmar Erik; Ebersohn, Karen; Venter, Estelle Hildegard (Wiley, 2014-10)It is known that lumpy skin disease virus (LSDV) can be shed in bull semen following infection and that artificial insemination (AI) poses a biosecurity risk. It is however not known whether the use of LSDV infected semen ...
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Van Schalkwyk, Antoinette; Coetzee, Peter; Ebersohn, Karen; Von Teichman, Beate; Venter, Estelle (MDPI, 2023-07)Bluetongue (BT), a viral disease of ruminants, is endemic throughout South Africa, where outbreaks of different serotypes occur. The predominant serotypes can differ annually due to herd immunity provided by annual ...
Now showing items 1-10 of 10