The Emergence of Antigenic Variants is a Rare Event in Long-term Visna Virus Infection in vivo

References

1. Brown H. R., Thormar H. 1975; Persistence of visna virus in murine and hamster cell cultures without the appearance of cell transformation. Microbios 13:51–60
   [Google Scholar]
2. De Boer G. F. 1975; Zwoegerziekte virus, the causative agent for progressive interstitial pneumonia (maedi) and meningo-leukoencephalitis (visna) in sheep. Research in Veterinary Science 18:15–25
   [Google Scholar]
3. Georgsson G., Palsson P. A., Panitch H., Nathanson N., Petursson G. 1977; The ultrastructure of early visna lesions. Acta neuropathologica 37:127–135
   [Google Scholar]
4. Gudnadottir M. 1974; Visna-maedi in sheep. Progress in Medical Virology 18:336–349
   [Google Scholar]
5. Lin F. H., Thormar H. 1971; Characterization of ribonucleic acid from visna virus. Journal of Virology 7:582587
   [Google Scholar]
6. Lutley R., Petursson G., Palsson P. A., Georgsson G., Klein J., Nathanson N. 1983; Antigenic drift in visna: virus variation during long-term infection of sheep. Journal of General Virology 64:1433–1440
   [Google Scholar]
7. Narayan O., Griffin D. E., Clements J. E. 1978; Visna mutation during ‘slow infection’: temporal development and characterization of mutants of visna virus recovered from sheep. Journal of General Virology 41:343–352
   [Google Scholar]
8. Nathanson N., Panitch H., Palsson P. A., Petursson G., Georgsson G. 1976; Pathogenesis of visna. II. Effect of immunosuppression upon early central nervous system lesions. iMboratory Investigation 35:444–451
   [Google Scholar]
9. Petursson G., Nathanson N., Georgsson G., Panitch H., Palsson P. A. 1976; Pathogenesis of visna. I.Sequential virologic, serologic, and pathologic studies. Laboratory Investigation 35:402–412
   [Google Scholar]
10. Petursson G., Nathanson N., Lutley R. E. 1981; Antigenic variation during visna virus infection. International Virology 5:121
    [Google Scholar]
11. Thormar H. 1963; Neutralization of visna virus by antisera from sheep. Journal of Immunology 90:185–192
    [Google Scholar]
12. Thormar H. 1966; A study of maedi virus. In Lung Tumours in Animals pp 393–402 Edited by Severi L. Perugia, Italy: University of Perugia Publication;
    [Google Scholar]
13. Thormar H., Helgadottir H. 1965; A comparison of visna and maedi viruses. II. Serological relationships. Research in Veterinary Science 6:456–465
    [Google Scholar]
14. Thormar H., Palsson P. A. 1967; Visna and maedi – two slow infections of sheep and their etiological agents. In Perspectives in Virology vol 5: pp 291–308 Edited by Pollard M. New York: Academic Press;
    [Google Scholar]
15. Thormar H., Kristensson K., Lin F. H., Wisniewski H. M. 1980; Cellular immune response in rabbits immunized with purified visna virus. Acta pathologica et microbiologica scandinavica 88C:173–177
    [Google Scholar]