Was he speaking to Deep State cronies here? "The Vaccine" meaning, "Join us" and free yourself from the DS. Those that don't join us will be secretly arrested, tried and executed for treason. If you take the "vaccine" you will be punished for your crimes, but your won't be executed.
This coded version makes sense to me.
For the normies, Trump has only to wheel out Fauchi and Birx and get them to admit publicly that they did indeed force him to say what he did "because of the science" which has now been proven to be wrong. He had no choice. Trump exonerated.