"... probably will not get as sick."

I wonder what "as sick" means; especially with folks with underlying conditions such diabetes, heart disease or... and how they will be able to handle "mild" (mild to who?) symptoms -- while being asymptomatic. How would they even know if it's effecting anything else other than their upper respiratory, whatever.

Publix is a supermarket (pharmacy) which administers the vaccine here in Palm Beach County.