Greatest discoveries and inventions

Jonas Edward Salk (October 28, 1914 - June 23, 1995) was an American medical researcher and virologist, best known for his discovery and development of the first polio vaccine safe and effective. Born in New York City, from Russian immigrants and Jewish families.

The Salk vaccine was named one of the first effective vaccine for immunization against a virus in general.Salk injected a killed polio virus to the patient, which enables the human body develop immunity to it, without falling seriously ill. Once immune to that form of the virus, the body is also immunized against the most virulent form of the virus itself.



Valentina Casartelli