This is what I hope, as it is the best option.

It could also function as the scare event, where people are allowed to freak out about the vaccine damage and topple over themselves to get at Big Pharma and the people in government who pushed it only to later find out that they were protected by a move like this.

It would also leave Trump (mostly) blameless, as he would have done what he could to make the vaccines he advocated for safe for general injection.