Based on these results, the Sabin strains were chosen for worldwide distribution.
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Human trials of Sabin's vaccine began in 1957 and it was licensed in 1962.
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Additional studies showed that children who were given Sabin's vaccine did not develop antibodies to SV40;
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By 1958, the National Institutes of Health had determined that OPV produced using the Sabin strains were the safest.
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Sabin Center for Climate Change Law reports at least 1,390 legal challenges to governments and fossil
fuel corporations in more than 25 countries since 1990.
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The Sabin Center for Climate Change Law reports at least 1,390 legal challenges to governments and fossil
fuel corporations in more than 25 countries since 1990.