as one of the premier regulatory agents not just to the united states but the world, signals to the world, pfizer first, likely followed by moderna, is incredibly safe and effective. >> folks that got moderna or j&j, how quickly are those to follow? >> pfizer did file, started the application process for full approval in the june time frame. we saw moderna filing soon thereafter. remember, moderna indicated for 18 and above. pfizer for 16 and above. we expect next several weeks to see moderna receiving its full approval. to your point on j&j, the question remains, they're looking at the data for the second dose. it is possible j&j could say we think our two dose strategy is what we will file for either authorization or approval. i think it is a little too soon to say j&j submitting and they