lpetrich
Contributor
The US Food and Drug Admin on the vaccine:
We have this progression:
- Pfizer-BioNTech COVID-19 Vaccine | FDA - authorized Dec 11
- Moderna COVID-19 Vaccine | FDA - authorized Dec 17
We have this progression:
- Live virus
- Attenuated virus
- Killed virus
- Virus-coat proteins made by genetically-engineered organisms
- Messenger-RNA strands that encode those coat proteins