He worked to develop a flu vaccine before coming up with one for polio declared safe on April 12 1955

If you are looking for the He worked to develop a flu vaccine before coming up with one for polio declared safe on April 12 1955 answer and solution then you have come to the right place. This question aired today (April 4 2023) in the popular Jeopardy! TV Show. If you would like to know the answer then continue reading below:

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