[anthony_doan]

Wait... it's only in phase 1?

Pfizer is in phase 3 and that's where they test tons of people.

Pfizer is more certain in efficacy.

[thehappypm]

Moderna is in Phase 3, but they are also in Phase 1, is the point.

[DiogenesKynikos]

Exactly: Moderna's phase-I and phase-III trials are both running right now. [1][2]

1. Phase I: https://clinicaltrials.gov/ct2/show/NCT04283461

2. Phase III: https://clinicaltrials.gov/ct2/show/NCT04470427