Salk was an American physician and microbiologist renowned for his work in developing the first vaccine against polio. He began his groundbreaking studies on viruses and immunization with the influenza virus. Later, while working with other scientists to classify the poliovirus, he confirmed earlier studies that identified three strains, and he showed that the killed virus of each strain could induce antibody formation without producing disease. Who owned the patent for Salk’s vaccine? Discuss
Source: The Free Dictionary