I would have believed this without question prior to 2020; now, I don't.
(And I'm not saying you're wrong; I'm just saying that I don't believe it.)
Because what has become crystal clear since 2020 is that those paid to look out for our well-being are quite willing to lie to us.
Which puts everything on the table.
As Steve Kirsch said, if someone today told me that the earth was flat, I would be willing to give that person an audience.
Here is an old book 1941) on the early days of modern medicine—your suspicions are fully justified:
Download it before they ban it.
I give doctor opinions the same reverence I give tarot card readers.
;-)