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
His Name Is Alive on their first full North American tour with Defever on guitar, Karin Oliver on vocals, and Trey Many on drums. This album and tour showed a different side of HNIA to their fans, marking the first time Defever had full control of the mixing and assembly of a HNIA release. "Mouth by Mouth" was a more ambitious noisy pop record that lacked some of the earlier sparse gothic sounds people came to expect from the first two releases. Defever's wide musical taste became more apparent as "Mouth by Mouth" showcased his love for obscure '60s pop, reggae, Japanese noise and