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
My Name Is Bruce beefed it up so it could go into the theaters.'" For the week of November 12, 2008, "My Name is Bruce" took in $18,777 from its showing at the Sunshine Theater in New York. Reviews on "My Name is Bruce" were mixed, earning a Rotten Tomatoes approval rating of 40%, the consensus being ""My Name Is Bruce" succeeds or fails based entirely upon the viewer's opinion of Bruce Campbell, an unreasonable burden for even the most accomplished actor.". One positive review came from Nick Rogers of Suite101.com, saying ""My Name is Bruce" won't give you sugar, baby. Not on its