None of this changes the fact that an economist is unhappy his medical theory is dismissed by medical experts. https://en.wikipedia.org/wiki/Jeffrey_Sachs#COVID-19

the shots prevented Covid with 94% efficacy

That was true for the original virus, before the variants started showing up.

dead relatives and children because of the vaccine

the Delta variant was created in the media

The impostor says, with no proof. She reminds me of the flat-earthers that use the global satellite communications system to spread their misinformation: they either don't know they're wrong or they do - in the first case they're to be pitied and in the second denounced.