Really interesting paper, especially in light of what might mean for vaccine rollout in countries that don’t have good current vaccine supply (although we should obviously working in parallel to fix that too)![]()
A Half Dose of Moderna is More Effective Than a Full Dose of AstraZeneca - Marginal REVOLUTION
Today we are releasing a new paper on dose-stretching, co-authored by Witold Wiecek, Amrita Ahuja, Michael Kremer, Alexandre Simoes Gomes, Christopher M. Snyder, Brandon Joel Tan and myself. The paper makes three big points. First, Khoury et al (2021) just published a paper in Nature which shows...marginalrevolution.com
![]()
“Indeed, a one-half or one-quarter dose of the Moderna or Pfizer vaccine is predicted to be more effective than the standard dose of some of the other vaccines like the AstraZeneca, J&J or Sinopharm vaccines, assuming the same relationship as in Khoury et al. holds. The point is not that these other vaccines aren’t good–they are great! The point is that by using fractional dosing we could rapidly and safely expand the number of effective doses of the Moderna and Pfizer vaccines.”