The nation's top polio experts and health authorities got around last week to telling the public what had gone wrong, and how and why, with the grandiose plan to inoculate tens of millions of children with Salk polio vaccine in 1955. For the most part, they confirmed what critics have suspected for a long time: it was a mistake to try the whizbang jump in little more than a year from laboratory production of the vaccine to manufacturing in tank-car volume. Many vital facts simply were not known when the leap to factory-scale production...
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