Making the best decisions using our brains by thinking rationally rather then our emotions in reacting to make things worst

today I spoke briefly on the 3 different emotions/feelings us me experience in life some may have went thru this and some may haven't...either way it's something that's never really touched on and needs to be

do us as people fear or trust getting the vaccine? are ppl scared of the after effect or do they just not trust whats being put in they body? or simply both?