https://news.yahoo.com/trump-dismisses-covid-19-booster-184022005.html
It sounds like Trump is now beginning to publicly cast some doubt on the vaccines. He's starting cautiously, by questioning the booster shots, but I suspect (hope) that he will be slowly ramping up the questioning and criticism going forward, from here on out.
Saline. I believe there was some info about it on twitter. remember
Trump is insulated and protected according to Q. no way he'd have gotten the real thing. Especially after having covid and recovering via REGENERON