Polio vaccine incidents reduced public confidence in polio vaccine leading to a drop in vaccination rates. At the same time that Salk was testing his vaccine, both Albert Sabin and Hilary Koprowski continued working on developing a vaccine using live virus. During a meeting in Stockholm to discuss polio vaccines in November 1955, Sabin presented results obtained on a group of 80 volunteers, while Koprowski read a paper detailing the findings of a trial enrolling 150 people. Sabin and Koprowski both eventually succeeded in developing vaccines. Because of the commitment to the Salk vaccine in America, Sabin and Koprowski both did their
The Stolen Invention Deering's invention and is greatly impressed with it. Cobleigh offers Deering a small amount of money for the invention, but Deering refuses to accept it. Then Cobleigh, having failed to get his invention by fair means, determines to secure it by foul. He drugs Deering, and the result of the poison is to make the inventor temporarily insane. While in this condition, Cobleigh has Deering transferred to an insane asylum. Then he forges the inventor's name to the bill of sale and thinks that his crime will never be discovered. Deering's daughter, Grace, failing to induce her sweetheart, Tom Reynolds,