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
How the Riddler Got His Name Riddler. Meanwhile, Ivy is seen caring for a person: a very much alive Cobblepot, whom Ivy saved from the river a few weeks ago. Cobblepot then says he needs to kill someone. Bruce wakes up in a cell and discovers through a window that he is on a snowy mountain. In December 2016, it was announced that the fifteenth episode of the season will be titled "How the Riddler Got His Name" and was to be written by Megan Mostyn-Brown and directed by TJ Scott. It was also announced that the subtitle for the new episodes for the rest of