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.
Cold War tensions and the polio vaccine flew to Leningrad in June, 1956. As a result of a cooperation of Sabin and Chumakov in Leningrad, Sabin was able to test his attenuated vaccine when funding in America was declined. While Sabin was working behind the Iron Curtain, the Sabin-Chumakov vaccine was determined to be safe and effective. Cold War tensions caused Western scientists to refuse the reports from the Russians about the effectiveness of the Sabin vaccine. However, mass vaccinations of Sabin's vaccine spread throughout Eastern Europe from 1960–1963. Just as some Soviet virologists did not trust the Western Salk vaccine, Americans had similar reservations about the