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Question:

Which is the best description of how Jonas Salk's 1955 development of the polio vaccine most affected American society?

A The invention drastically reduced the incidence of polio in the United States.
Explaination

Jonas Salk's polio vaccine prevented thousands of new cases of polio in a nation which had become accustomed to the ravages of the disease. The invention was a major innovation that affected Americans all over the United States, as children were vaccinated against the disease. Unfortunately, Salk's vaccine did cause polio in a small number of children; the impact of this was lesser than the impact of the near eradication of the disease in the United States. Although Salk's manner of announcing the vaccine ruffled the feathers of some of his scientist peers, it did not ignite a widespread or public debate regarding the media and science.