It was my understanding that efficacy for both Pfizer and Moderna were similar, even against the new variants (B.1.1.7 and B.351), but the efficacy dropped from 94% to around 60-74%?
Found this:
https://www.cam.ac.uk/research/news/...-of-sars-cov-2
And this:
https://www.statnews.com/2021/02/05/...d-19-vaccines/