So it looks like the J&J vaccine is nearing end of trial. Results expected in January.
If it is approved, US is signed up for 100 Million doses. So that would get us to 250 million total by June 30 it sounds like.
J&J's is a 1 shot vaccine, they expect to produce at least a billion doses total in 2021.
They're also running a second trial to observe the effectiveness of 2 doses.
TYPE: Muscle injection
STORAGE: Up to two years frozen at –4° F (–20° C), and up to three months refrigerated at 36–46° F (2–8° C).
VACCINE NAME: Ad26.COV2.S
Excellent article not behind a paywall from the NY Times:
https://www.nytimes.com/interactive/...e-tracker.html