Cold War tensions and the polio vaccine Sabin vaccine from the Soviet side. However other Soviet virologists argued that the Salk vaccine could be considered safe, since the Americans tested it on their own people. They considered that the Sabin vaccine must be potentially dangerous because the Americans did not wish to test it on their own society. The documented achievement of the Sabin-Chumakov collaboration eventually trumped the ideological differences of the Cold War. Their oral live-virus vaccine became federally licensed in 1962, and used for over three decades to help eliminate polio globally, replacing the Salk vaccine. Using these vaccines, the threat of polio remains only
His Name Is Legs (Ladies and Gentlemen) Newmark, all of whom were part of Harrison's 1974 tour band. The song's arrangement reflects Harrison's adoption of the funk genre. As with the album's humorous artwork, the inclusion of "His Name Is Legs" on "Extra Texture" marked a rare example of light-heartedness among a collection of mostly downbeat songs. Several commentators view the track as an indulgence by Harrison. These detractors cite the in-joke nature of the composition, together with the largely unintelligible vocals on the recording. Harrison acknowledged that the song's appeal might be limited to "maybe two people". Although often noted for the serious, religious nature of