1. Comparison of influenza and parainfluenza RNP properties

   • A. K. Gitelman
   • A. G. Bukrinskaya

   OriginalPaper Pages: 89 - 95

2. Some biological and immunizing properties of a high-titered freeze-dried EDTA-released rubella virus hemagglutinin containing live virus

   • J. Strauss

   OriginalPaper Pages: 96 - 104

3. Induction of interferon and host resistance in vivo by double-stranded complexes of copolyribonucleotide of inosinic and guanylic acids with polyribocytidylic acid

   • S. Matsuda
   • M. Kida
   • H. Yaoi

   OriginalPaper Pages: 105 - 118

4. Genetic recombination between influenza viruses A₀/NWS and A 2/Hong Kong

   • K. Tobita

   OriginalPaper Pages: 119 - 130

5. Plaque formation by non-cytopathogenic bovine virus diarrhea strains

   • P. J. Straver

   OriginalPaper Pages: 131 - 135

6. Fluorescent cell-counting assay of adenovirus in diploid fibroblastic cells

   • A. P. van Nieuwstadt
   • J. van der Veen

   OriginalPaper Pages: 136 - 143

7. Salmonid viruses: Infectious pancreatic necrosis virus

   • Ken Wolf
   • M. C. Quimby

   OriginalPaper Pages: 144 - 156

8. Influenzal encephalitis in mice

   • T. M. Bell
   • H. K. Narang
   • E. J. Field

   OriginalPaper Pages: 157 - 167

9. Maxillae of an aphid carry sap transmissible virus

   • S. M. Paul Khurana

   Brief Report Pages: 168 - 170