1952 ⟶ Development and Testing of the First Polio Vaccine
Jonas Salk: developed and tested first polio vaccineYear
1796
1952
💉 Edward Jenner: Smallpox Vaccination
Edward Jenner: smallpox historical accounting.⟶

MedicineVaccinationSmallpoxJennerImmunologyPublic Health18th CenturyDisease Prevention

💉 Development and Testing of the First Polio Vaccine
Jonas Salk: developed and tested first polio vaccine⟶

MedicineImmunologyVaccinesJonas SalkPolioPublic HealthInfectious DiseasesMedical Breakthrough
