Virus Diseases and Viruses |
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acres animals anti antisera auto-catalytic proteins bacteriophage catalase cattle caused centrifugation chemical substance constituent crude virus disease virus DISEASES AND VIRUSES elementary bodies evidence example factors ferment ferment systems fibrin filterable filtration foot-and-mouth disease fowl Haemocyanin heavy proteins host host's cells immune inclusion bodies infective agent infective units influenza isolated large numbers larger viruses living cells mammalian viruses membranes metabolism micro-organisms molecule mosaic disease mosquito multiply normal obtained ordinary bacteria outbreaks parasitic habit pathogenic plant viruses poliomyelitis pore-size pores possible potato virus precursors preformed psittacosis psittacosis virus Purified and concentrated regarding representative viruses Rous sarcoma virus serological sheep Shope sizes smallest viruses South African horse-sickness tion tissue cultures tobacco mosaic Tobacco mosaic virus tobacco plants transmit the character trypsin typhus vaccinia virus vector vesicular stomatitis virus virus bodies virus diseases virus elements virus group virus particles virus protein virus studies virus suspension viruses are nucleo-proteins visible bacteria yellow fever virus