WHO has authorised AZ jab, that's accepted in USA.
Nobody checks you're double jabbed anyway if you go out after arrival in USA (say other Americans who travelled from UK back to to USA, on recent Facebook).
I'd have to quarantine upon my return??
Yes, hence the Freedom passport does not exist for me -- not yet.
Check the London US Embassy facebook page; it's heaving with complaints from people who can't get visas to go to USA to take up jobs or make work visits, or their children's passports renewed, or register births of their children. The site is crashing for me too, this morning, so I assume the new appointments for next week were just released. I won't get one either. So another way, that Freedom passport not yet delivered.
When I finally accompany DC to get their passports renewed, I wonder if they and/or me will also have to be double jabbed. Seems likely. Why should I rush to get the jab when I can't even get the appt?
Meanwhile, Even the double jabbed still have to mandatory wear masks and take multiple tests to do many things, especially travel. How long will that go on for? Not very 'free'.