Jonas Salk refused to patent his polio vaccine in 1955. He lost $7 billion in the process, but made the drug available to children around the world. Thanks to him, the incidence of this disease decreased by 96%.


Jonas Salk , Jonas Salk refused Salk refused,
Jonas , Jonas Salk refused Salk refused to patent , polio vaccine in 1955, lost $7 billion in the process, made the drug available to children, to children around the world, the incidence of this disease , decreased by 96%,