> To be fair the Moderna vaccine has been shown to have the highest efficacy Pfizer-BioNTech: 30µg doses, 21 days apart. Moderna: 100µg doses, 28 days apart.

> To be fair the Moderna vaccine has been shown to have the highest efficacy Pfizer-BioNTech: 30µg doses, 21 days apart. Moderna: 100µg doses, 28 days apart. It seems probable that Moderna has higher efficacy because the dose is larger, or because the doses are given with a longer time interval, or both. And not that the Moderna vaccine is any kind of biochemically superior. If you were to give Pfizer-BioNTech in 100µg doses, 28 days apart, maybe it would be just as effective as Moderna?