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... Savage the DC Comics superheroes Green Lantern and the Atom. He was additionally an early and outspoken advocate of creators' rights in an industry that at the time did not offer character ownership or royalties. Circa 1963, Kane set up a studio on East 63rd Street in Manhattan, New York City, New York, and for five years worked sporadically on both "His Name Is... Savage" and a project that would become the paperback comics novel "Blackmark". Kane in 1996 said the actual drawing of "Savage" "was done, from beginning to end, in 30 days. That last page was inked at the