The nationwide program of vaccination against polio, so eagerly awaited for so many years, so recently greeted with clarion calls of hope, ground this week to a sickening halt. The U.S. Public Health Service recommended (and all states were virtually certain to comply) that use of the Salk vaccine be postponed until it can "reappraise" the vaccine now on hand. This includes 1) vaccine shipped to public authorities and now in their refrigerators (enough for 4,000,000 or more shots), plus 2) a similar amount still in the manufacturers' vats.
Main reason for...
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