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
First trials of a polio vaccine
12020-10-27T10:06:36-07:00Holly Thompson371121db54ab210690ec037d01e9e87f68752e84378892In 1935 two separate trials tests a potential polio vaccine.plain2020-10-27T10:06:57-07:001935Holly Thompson371121db54ab210690ec037d01e9e87f68752e84In 1935, Dr. Maurice Brodie and Dr. John Kolmer had both developed, separately, polio vaccines. Brodie's vaccine was an inactivated (formaldehyde-killed virus) vaccine, while Kolmer's was a live attenuated vaccine. Both trials tested their vaccines first on monkeys and then on several thousand children and both trials had poor and even some fatal results.