The previous president suggested some sort of experimental bleach-based antiviral treatment regime was under development. And you want to ding this one for trying to persuade people to take a vaccine?
‘promoting general public health through sensible preventive medical programs’ is not generally listed among the top evils committed by totalitarian regimes.
And I think OP is implying that a totally incorrect statement erodes trust, even if you were just trying to persuade people to take the vaccine.