See section e-1-A-ii here: https://www.law.cornell.edu/uscode/text/21/360bbb-3
(ii)Appropriate conditions designed to ensure that individuals to whom the product is administered are informed—
(I)that the Secretary has authorized the emergency use of the product;
(II)of the significant known and potential benefits and risks of such use, and of the extent to which such benefits and risks are unknown; and
(III)of the option to accept or refuse administration of the product, of the consequences, if any, of refusing administration of the product, and of the alternatives to the product that are available and of their benefits and risks.
So I am saying, what percentage of people who got the shot actually received this information? Since the trials are ongoing, that should have been communicated to 100% of people who received the vaccine as part of informed consent.