For this age range, the survival rate for everyone is 99.98%. It'd be even higher if your screened aggressively for comorbidities / general health and provided everyone with top notch healthcare knowing in advance they have been exposed.

I would sign up for this in a heartbeat. Not only for the cash payment -- but you'd be a local hero and you could feel good for the rest of your life about taking a small risk to save the lives of many ill or elderly people.