An important victory of science. Jones Silk, researcher at University of Pittsburg, developed a vaccine to prevent poliomyelitis

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Professor Silk worked three years to develop the vaccine in the laboratories of University of Pittsburg. After tests of Rhesus monkeys, it was inoculated to two millions of American children, with good results. Professor Francis announced to journalists from all over the world the discovery of the vaccine.

A great victory of science.
The polio won
Rome - guests of the capital Joan Crawford and dr Salk, discoverer of the polio vaccine
Jonas Salk, who discovered the vaccine for poliomyelitis, on visit in Rome. With him, prof…