I think also something that should be considered how the vaccine works if the immune system is already battling something. Anecdotally I know a person who's tu

I think also something that should be considered how the vaccine works if the immune system is already battling something. Anecdotally I know a person who's tumor had doubled in size after she took the vaccine. It could be coincidence. But at the same time, do we know how much an immune system directs it resources, and does it prioritize and immediate infection vs one that is latent.