Theodoridis, A.Lecatsas, G.De Lange, M.Bigalke, R.D.Cameron, Colin McKenzieWalker, Jane B.Verster, Anna J.M.De Kock, V.E.2016-07-062016-07-0620161973Theodoridis, A & Lecatsas, G 1973, 'Variation in morphology of ephemeral fever virus’, Onderstepoort Journal of Veterinary Research, vol. 40, no. 4, pp. 139-142.0330-2465http://hdl.handle.net/2263/53650The articles have been scanned in colour with a HP Scanjet 5590; 300dpi. Adobe Acrobat XI Pro was used to OCR the text and also for the merging and conversion to the final presentation PDF-format.Electron microscope studies on the three ephemeral fever virus (EFV) strains EFVl, EFV13 (South Africa) and Japanese bovine epizootic fever (BEF) virus (Strain YHK) showed that the normally cone-shaped South African EFV, may, under certain circumstances, appear bullet-shaped while the Japanese EFV which is usually bullet-shaped may appear as a cone. These findings suggest that ephemeral fever virus is pleomorphic.en© 1973 ARC-Onderstepoort and Faculty of Veterinary Science, University of Pretoria (original). © 2016 University of Pretoria. Department of Library Services (digital).Veterinary medicineVeterinary medicine -- South AfricaArticle