1. Isolation of a variant strain of Rous sarcoma virus oncogenic for ducks and mammals

   • T. Kuwata
   • H. Kawakami

   OriginalPaper Pages: 1 - 12

2. Influence of cell age on production and assay of mouse interferon in L-cells

   • C. McLaren

   OriginalPaper Pages: 13 - 18

3. Porcine cytomegalic inclusion disease virus

   • L. Valíček
   • B. šmíd
   • J. Menšík

   OriginalPaper Pages: 19 - 30

4. Complement-fixing antibodies to rickettsial antigens in sera of primates

   • S. S. Kalter
   • J. J. Ratner
   • G. V. Kalter

   OriginalPaper Pages: 31 - 38

5. Effect of freezing and lyophilization on the chicken cell agglutination (CCA) activity of inactivated influenza virus vaccines

   • T. C. O'Brien
   • Rachel S. Yahwak
   • Nicola M. Tauraso

   OriginalPaper Pages: 39 - 44

6. Pathogenicity studies in rabbits, hamsters, mice and embryonated eggs with herpes T virus variants

   • M. D. Daniel
   • L. V. Meléndez

   OriginalPaper Pages: 45 - 52

7. Dialysis experiments with the infectious agent of Aleutian disease of mink

   • H. Tabel
   • D. G. Ingram

   OriginalPaper Pages: 53 - 58

8. Quantitative estimation of phagocytosed herpes simplex virus in mouse peritoneal cells

   • G. A. Garabedian
   • L. V. Scott

   OriginalPaper Pages: 59 - 65

9. Some implications of a morphologically oriented classification of viruses

   • June D. Almeida
   • A. P. Waterson

   OriginalPaper Pages: 66 - 72

10. Plaque assay of variola virus in a cynomolgus monkey kidney cell line

    • Y. Tsuchiya
    • I. Tagaya

    OriginalPaper Pages: 73 - 81

11. A longitudinal study on the significance of examination of sewage for the presence of poliovirus in the population

    • J. B. Wilterdink
    • H. T. Weiland
    • J. D. Verlinde

    OriginalPaper Pages: 82 - 90