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.
Maybe they didn't cancel the animal trials because all the animals died. Maybe they just wrapped things up because the animal trials were a resounding success.
C'mon man, dead animals can't get covid, 100% effective