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 Nobody His Name Is Nobody His Name Is Nobody is a 1979 Hong Kong martial arts comedy film written and directed by Karl Maka and starring Lau Kar-wing, Dean Shek and Bryan Leung. The Nobody Kid (Lau Kar-wing) is a street urchin whom was abandoned as a child and did not have a name. One day, he meets master con artist, Sting (Dean Shek), who takes Nobody as his disciple and teaches him swindling and martial arts skills. The duo is later enlisted by Sting's brother, Baldy (Karl Maka), to murder Ping the Dreg (Chung Fat), a professional assassin. Sting and