Again and again, why do we bother immunising for most of the infectious diseases on our schedule if the…

Again and again, why do we bother immunising for most of the infectious diseases on our schedule if the rationale is only protection against ‘severe disease’? Most of them don’t cause severe disease, or kill many. It’s irrelevant. We do it to stop sickness. Except for Covid. https://t.co/3HKVsrnNVo