> could a a future corona virus vaccine do more harm than being infected by the virus would have done? Possibly. However, consider that tons of really smart an

> could a a future corona virus vaccine do more harm than being infected by the virus would have done? Possibly. However, consider that tons of really smart and well motivated people are working on it. And that even if a vaccine is determined to work and be ready for rolling out to the general populace that doesn't mean that work on it entirely ceases.