They’re not going to stop it, just seriously disincentivize it. Pulling billions of dollars of research funding and making it doubtful whether any developed vaccine can be sold in the USA will have a huge effect on the ability of academic institutions to do research and the willingness of corporations to do so.
They’re not going to stop people doing their own research into infectious diseases and vaccines though so it’ll be fine.
They’re not going to stop it, just seriously disincentivize it. Pulling billions of dollars of research funding and making it doubtful whether any developed vaccine can be sold in the USA will have a huge effect on the ability of academic institutions to do research and the willingness of corporations to do so.