Jonas Salk and the Invention of the Polio VaccineMain MenuJonas Salk and the Invention of the Polio VaccineA Brief History of VariolationA Brief History of VaccinationPolio TimelineAlvaro Quezada7828c851ddc470a00b45eb00bde06e8e2aefd52c
1media/egypt.JPGmedia/jonas-salk-polio-vaccine.jpg2020-09-09T11:58:51-07:00Alvaro Quezada7828c851ddc470a00b45eb00bde06e8e2aefd52cJonas Salk and the invention of the Polio VaccineAlvaro Quezada14splash2020-09-09T16:59:46-07:00Alvaro Quezada7828c851ddc470a00b45eb00bde06e8e2aefd52c