29
/fr/
fr
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
2344253
197516
2
Créer
Public Timelines
Bibliothèque
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
29 mars 1954 - Measles vaccine
Description:
Safe, effective vaccine devloped
Mass immunization camoaign started to reduce casses of measles in developed countries
Ajouté au bande de temps:
14 déc. 2018
1
0
398
new disease
Date:
29 mars 1954
Maintenaint
~ Il y a 70 ans