General discussion the papers of session 3. Developments with viral vaccines.
D000818:Animals; D002460:Cell Line; D002478:Cells, Cultured; D004171:Diploidy; D000882:Haplorhini; D006564:Herpesviridae / Q000472:pathogenicity; D006649:Histocompatibility Antigens; D006801:Humans; D007668:Kidney; D017955:Poliovirus / Q000254:growth & development; D014357:Trypsin; D014765:Viral Vaccines; D014776:Virus Cultivation
D006649:Histocompatibility Antigens; D014765:Viral Vaccines; D014357:Trypsin