Browsing 1907 Report of the Government Veterinary Bacteriologist of the Transvaal 1907 - 1908 by Type "Text"

Browsing 1907 Report of the Government Veterinary Bacteriologist of the Transvaal 1907 - 1908 by Type "Text"

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  • The loss of virulency of horsesickness virus in practice 
    Theiler, Arnold, Sir, 1867-1936; Transvaal Department of Agriculture (Pretoria: Government Printer and Stationery Office, 1909)
    Resume: The experiments prove that a virus may become inert in practice; this avirulency is due to some foreign matter, inasmuch as inert virus added to virulent sterile virus promptly produces avirulency. It is probable ...