1. Acknowledgement

   Acknowledgments Pages: i - i

2. Five measles virus antigens demonstrated by use of mouse hybridoma antibodies in productively infected tissue culture cells

   • E. Norrby
   • S. -N. Chen
   • K. P. Johnson

   Original Papers Pages: 1 - 11

3. Incomplete avian influenza virus contains A defective non-interfering component

   • M. J. Carter
   • B. W. J. Mahy

   Original Papers Pages: 13 - 25

4. Uncoating-like modification of poliovirus capsid resulting from the cooperative effects of subfreezing temperature and submolar concentrations of urea

   • B. Mandel

   Original Papers Pages: 27 - 42

5. The genome of orf virus: Restriction endonuclease analysis of viral DNA isolated from lesions of orf in sheep

   • A. J. Robinson
   • G. Ellis
   • T. Balassu

   Original Papers Pages: 43 - 55

6. Electron microscopic studies of bovine viral diarrhea virus in tissues of diseased calves and in cell cultures

   • H. Bielefeldt Ohmann
   • B. Bloch

   Original Papers Pages: 57 - 74

7. Immunogenicity of a subviral herpes simplex type 1 preparation: Reduction of recurrent disease in mice

   • V. Šlichtová
   • L. Kutinová
   • V. Vonka

   Brief Report Pages: 75 - 78

8. The effect of herpesvirus infection on ribosomal RNA synthesis and on nucleolar size and number in HeLa cells

   • S. Kyriakidis
   • W. S. Stevely

   Brief Report Pages: 79 - 83

9. Restriction of virus-specific protein synthesis in a persistent paramyxovirus infection

   • S. J. Robbins
   • F. Rapp

   Brief Report Pages: 85 - 91

10. Announcements

    Announcement Pages: 93 - 93