NURSING ANM AND GNM

Detailed explanation-1: -Salk tested his experimental killed-virus vaccine on himself and his family in 1953, and a year later on 1.6 million children in Canada, Finland and the USA. The results were announced on 12 April 1955, and Salk’s inactivated polio vaccine (IPV) was licensed on the same day.

Detailed explanation-2: -Jonas Edward Salk. Dr. Jonas Edward Salk (1914-95) was an American medical researcher who discovered and developed the first successful polio vaccine. Born in New York City, he attended New York University School of Medicine, later choosing to do medical research instead of becoming a practicing physician.

Detailed explanation-3: -polio vaccine, preparation of poliovirus given to prevent polio, an infectious disease of the nervous system. The first polio vaccine to be widely used in humans, known as inactivated poliovirus vaccine (IPV) or Salk vaccine, was developed in the early 1950s by American physician Jonas Salk.