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By Mary Elizabeth Salzmann, Anders Hanson

This name introduces readers to evidence approximately planes and flying.

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By potent, Francis meant powerful. Polio, the killer disease, was about to be knocked right out of the ring. The report said that the vaccine was 80 to 90 percent effective against two of the three types of poliovirus and 60 to 70 percent effective against the third type. Salk assured everyone that his new vaccine could be nearly 100 percent effective. This shocked the scientific community. Jonas Salk was not bragging. In 1952, more than 57,000 Americans were reported to have 31 In an important historic moment, polio pioneer Randy Kerr receives the first polio vaccination of the field trials.

The time could have done many things. What he did, in 1963, was get financial aid from the National Foundation and a gift of land from San Diego, California. He opened the Salk Institute of Biological Studies in nearby La Jolla. Again, Salk was looking for a new medical challenge. 36 By the time Salk opened his institute, strangely enough, the vaccine that made him world famous was going out of use. Like Salk, Dr. Sabin had never given up. But now it looked like Salk’s old rival was successful.

Then seventy years old, he thought it might be time to retire, perhaps to do 38 Jonas Salk with his second wife, Françoise Gilot some writing. But instead, he began working on a new threat—AIDS, or acquired immune deficiency syndrome. AIDS is a deadly disease that attacks and destroys the human immune system. There is no cure and no vaccine. Salk saw AIDS as a line of research that was not being followed in the correct way. If it were to be done correctly, he’d have to do 39 it himself. This was the quiet arrogance that annoyed his colleagues.

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Biggest, Baddest Book of Flight by Mary Elizabeth Salzmann, Anders Hanson

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