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) including "Time Bandits" (1981), "The Missionary" (1982), "A Private Function" (1984) and "Nuns on the Run" (1990). Leng recognises an increasing Python-based comedy influence in Harrison's songwriting and musical arrangements, beginning with his 1979 track "Soft-Hearted Hana" and subsequently including "Save the World", with that song's "groove … horn charts and moog riffs" reminiscent of "His Name Is Legs", and "Greece". Following his guest appearance on "His Name Is Legs", Smith became part of a coterie of local musicians known as the Henley Music Mafia, which also included Harrison, Alvin Lee, Jon Lord and Joe Brown. Smith appeared in the