The Cutter question seemed finally answered. It was a rash of polio cases following use of Cutter vaccine that had first halted the vaccination program. For weeks, experts have broadly suggested that some live virus must have slipped through the killing and testing process in the manufacture of the Cutter product. Last week, for the first time, a virologist flatly asserted that he had found live virus in Cutter specimens. He was Dr. Louis P. Gebhardt, professor of bacteriology and director of the polio research laboratory at the University of Utah. The chilling thought, of course, was that what happened to...
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