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
Sabin Merino Sabin Merino Sabin Merino Zuloaga (; ; born 4 January 1992), known simply as Sabin, is a Spanish professional footballer who plays for CD Leganés on loan from Athletic Bilbao mainly as a left winger. Born in Urduliz, Biscay, Basque Country, Sabin graduated from Danok Bat CF's youth setup after spells at Athletic Bilbao's Lezama and American team Javanon FC. In the summer of 2011 he returned to the "Lions", and made his debut as a senior with the farm team in Tercera División. On 21 June 2013, Sabin was promoted to the reserves in Segunda División B. On 29