TLDR, they have no idea if it actually works.

This is a stupid headline. The newsworthy part is that they’re trying to make a future-proof vaccine, not that AI was involved.

Using machine learning, they then designed a super antigen containing the antigen features common to this whole group of viruses – including ones that haven’t emerged yet.

https://www.cam.ac.uk/research/news/new-universal-vaccine-technology-could-protect-us-from-future-virus-outbreaks