Vaccines in general have the potential to produce what's known as "antibody-dependent enhancement", where the disease will be even worse for you than if you did

Vaccines in general have the potential to produce what's known as "antibody-dependent enhancement", where the disease will be even worse for you than if you didn't have a vaccine. Researchers don't think this is a factor for coronavirus vaccines, but if they're wrong it wouldn't have been detected in phase 1 and 2 studies.