Video: 'Jonas Salk and the Polio Vaccine: A Shot of Hope'
(Tuesday, February 23, 1954) — The first mass inoculation of schoolchildren against polio using the Salk vaccine began today in Pittsburgh as some 5,000 students were vaccinated.
Video: 'Jonas Salk and the Polio Vaccine: A Shot of Hope'
(Tuesday, February 23, 1954) — The first mass inoculation of schoolchildren against polio using the Salk vaccine began today in Pittsburgh as some 5,000 students were vaccinated.