33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
93100
31882
1
Create a timeline
Public Timelines
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
FAQ
Close
Create a timeline
Public timelines
FAQ
About & Feedback
Terms
Privacy
FAQ
Support 24/7
Cabinet
Get premium
Donate
Vaccine developed and distributed (dec 5, 1940 – oct 27, 1950)
Description:
New vaccine has 99% effectiveness and lasts for entire lifetime
Added to timeline:
Amber, Danielle, Desiray, Isaac, and Ronald
By
Amber
1 Dec 2017
0
0
440
Date:
dec 5, 1940
oct 27, 1950
~ 9 years and 10 months
About & Feedback
Terms
Privacy
FAQ
Support 24/7
Cabinet
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL
