Was it this one? https://www.globalhealthnow.org/2020-03/covid-19s-stop-gap-s...

> It’s not a vaccine. Think about it as the administration of a protein, it’s a liquid that is given to people that gives them immunity.

> Right. Because the vaccine would provoke the recipient’s antibodies. You'll have the antibodies, but they won't be your antibodies—though it'll do the same thing.