Am often asked about different vaccines and their efficacy

Each trials tracks, reports efficacy differently

Currently, we have preliminary results for Novavax and J&J

But what numbers matter? What should you look for?

Here's one set of data to track. In a simple table pic.twitter.com/9m2OBgqcla

— Ashish K. Jha, MD, MPH (@ashishkjha) February 1, 2021