Hey, can you please stop using HN for political battle? You're a good user otherwise but you've been posting a lot of that, and it's not what this site is for.
I take your point, and agree, but it's become deeply untenable to share a NYTimes article to prove any contested political point. That place has well and truly set fire to its reputation as an impartial reporter.
It wasn't an appeal to authority - you can look up the facts in any source you like. It also isn't a political point, but a question of fact.
Incorrect, existing coronavirus vaccines were used as an example.