News Journal archives President Reagan shot Salk unveils polio vaccine


“Pages of history” features excerpts from The News Journal archives including the Wilmington Morning News and the Evening Journal.

March 27, 1953, Wilmington Morning News

New polio vaccine passes test, but will be delayed

The new polio vaccine has passed its first human tests on 90 children and adults with flying colors. But “there will be no polio vaccine” for general use this summer.

This was announced last night by Dr. Jonas E. Salk, 38, young virus researcher of the University of Pittsburgh.

The creamy vaccine, homogenized in mineral oil, gave all 90 persons protective antibodies against all three types of virus which can cause human polio, he said. And it is perfectly safe.

The patients have kept this protection so far for six to eight weeks – they were vaccinated only that long ago…..

But 90 persons is too small a number to say that the vaccine will actually work for everyone, Dr. Salk made clear. He indicated many more careful tests must be made on hundreds or thousands of people first….



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