Film of press conference in Rackham Auditorium prior to announcing successful test of the Salk polio vaccine. Dr Franics and Dr. Salk talk about the development of the vaccine and testing methods. Harlan hatcher opens, aslo comments by E. Van Ryper, David Bodian, Thomas Rivers, Basil O'Connor. Talent: Thomas Francis Jr., UM-SPH ;Jonas Salk, E. Van Ryper, David Bodian, Thomas Rivers, Basil O'Connor