Certainly A Possible Risk.

Of the monkey aides vaccine.

https://www.bbc.co.uk/news/health-55308211

That the monkey virus combines with COVID-19. Creating a whole new virus.

Just as two viruses combined in an intermediate host. To create COVID-19.

It's a small risk. However one that should have been completely ruled out by now.

If only Britain had been able to conduct a successful clinical trial.