¶ A blot was removed from the 1956 Salk vaccine record. The death of James Thomson, 15, of Mount Vernon, Wash., had officially been reported as resulting from polio, although he had three shots of Salk vaccine (TIME, Dec. 24). More detailed studies of the boy's tissues now show that he died of acute disseminated encephalomyelitis, a rare disease of the brain and spinal cord, easily confused with polio. There remains only one 1956 case of a child's death attributed to polio despite triple vaccination, and this is no longer provable.
¶ Eight infectious...
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