The question about does the vaccine prevent transmission is currently unknown.
Health care workers at least have access to PPE although my opinion is that except for red areas it isn't good enough (which for me has been borne out by my own experience in acute hospital care where literally scores of my work colleagues have been infected). My wife is a teacher. She doesn't want schools to close. She just wants it to be safer than they are currently. If we can't make schools safe then at least protect the staff with vaccination. Something which has occured to me (although I haven't yet formulated a final opinion) is that if schools are driving the current massive infection rate then maybe we should be vaccinating kids as well as a priority - if vaccines do prevent transmission then this would be a good idea but as I have already said we don't know if they do. My final point is that we also don't know if there are long term health implications for kids who are infected even if they do have no symptoms or a mild illness.
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