33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
285949
25184
2
Create a timeline
Public Timelines
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
FAQ Get premium
Create a timeline
Public timelines
FAQ
About & FeedbackTermsPrivacyFAQ
Support 24/7  
CabinetGet premium
Donate

5h 28min, apr 26, 1935 y - Pruebas iniciales de la vacuna contra la poliomielitis

Description:

Ese año, dos equipos diferentes trabajaban en el desarrollo y las pruebas de una vacuna contra la poliomielitis. Ambos proyectos tuvieron un final desastroso.

Added to timeline:

EV3 MARTÍNEZ barranco sismai zabdiel

ByZabdiel
15 Nov 2017
0
0
423

Date:

5h 28min, apr 26, 1935 y
Now
~ 90 years ago
About & FeedbackTermsPrivacyFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL