Legacy
Today, polio is still a major issue in some parts of the world.
Conclusion
Salk accomplished his goal of giving the world a gift and doing his part to support society, Although polio is still a problem in underdeveloped countries, Salk affected many lives for the better. Because of Salk's efforts, we have learned many valuable things about the killed virus. Salk not only helped alleviate a problem of his era, but he set up a future for modern medicine.