33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
7336935
690359
1
Public Timelines
Public TimelinesFAQ
Public TimelinesFAQ
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
Create
Create a timeline
Public timelines
Library
FAQ

dec 24, 1988 - Campaña mundial de vacunación contra la poliomielitis

Description:

Inicia la campaña mundial de vacunación contra la poliomielitis, disminuyendo los casos de contagio hasta un 99%.

Added to timeline:

HISTORIA DE LA BIOQUÍMICA

ByMARLON RENE ALARCON PRIETO
15 Sep 2022
0
0
502

Date:

dec 24, 1988
Now
~ 36 years ago

Images:

About & FeedbackTermsPrivacyLibraryFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL