evidence: Ms Thomson explains how she was first inspired by the idea that unvaccinated people won't be able to participate in certain aspects of society. [...] Ms Thomson says it's a concern that makes many users seek romance only with other unvaccinated people. [...] But virologist Professor Nicola Stonehouse from Leeds University says that vaccinated people pose no health risk to the unvaccinated. And the scientific evidence suggests that in terms of Covid-19 it is safer to be around vaccinated people.