Eugenia Sacerdote de Lustig States to learn about the work of the professor Jonas Salk. When she returned to Argentina, she inoculated herself in public and did the same with her children to convince the population of the benefits of the polio vaccine. Since 1989, she investigated the role of free radicals and oxidative stress in living patients with Alzheimer's disease, vascular dementia and Parkinson's disease, expanding the basic knowledge of neurological diseases. Sacerdote de Lustig was a researcher at CONICET and head of virology at Instituto Malbrán. For more than 40 years, she studied tumor cells in the Instituto de Oncología Ángel H.
Jonas Salk assembled, devoted himself to this work for the next seven years. The field trial set up to test the Salk vaccine was, according to O'Neill, "the most elaborate program of its kind in history, involving 20,000 physicians and public health officers, 64,000 school personnel, and 220,000 volunteers." Over 1,800,000 school children took part in the trial. When news of the vaccine's success was made public on April 12, 1955, Salk was hailed as a "miracle worker" and the day almost became a national holiday. Around the world, an immediate rush to vaccinate began, with countries including Canada, Sweden, Denmark, Norway,