Polio vaccine attenuated vaccine strains. In 1958, the National Institutes of Health created a special committee on live polio vaccines. The various vaccines were carefully evaluated for their ability to induce immunity to polio, while retaining a low incidence of neuropathogenicity in monkeys. Large-scale clinical trials performed in the Soviet Union in late 1950s to early 1960s by Mikhail Chumakov and his colleagues demonstrated safety and high efficacy of the vaccine. Based on these results, the Sabin strains were chosen for worldwide distribution. Fifty-seven nucleotide substitutions distinguish the attenuated Sabin 1 strain from its virulent parent (the Mahoney serotype), two nucleotide substitutions
His Name Is Alive pants and pees in his trombone." The follow-up to "Detrola", titled "Xmmer", was released on September 18, 2007. "Sweet Earth Flower", the band's tribute to free jazz saxophonist Marion Brown was released by High Two on November 6, 2007. In May 2010 His Name is Alive released their 11th full-length album "The Eclipse". The album was one of the ten CD's released in the limited edition box set also entitled "The Eclipse". It features Warn Defever and vocalist Andy FM. Other contributors include Steve Sparks on drums and Jean Cook playing violin. The album was released for MP3 download, FLAC,