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.
Yeah, idiots don't seem to remember the message of War of the Worlds. The Martians came from such a sterile environment that a common cold wiped them all out. Their immune systems were crap.