"COVID-19 vaccine efficacy and effectiveness—the elephant (not) in the room
Absolute Risk Reduction = 1·3% for the AstraZeneca–Oxford, 1·2% for the Moderna–NIH, 1·2% for the J&J, 0·93% for the Gamaleya, and 0·84% for the Pfizer–BioNTech vaccines."
https://twitter.com/RWMaloneMD/status/1423662972770168833