natural infections or having the vaccine, does not appear to be lifelong, and for that reason, it s probably going to be necessary to top up immunity, at least in the most vulnerable groups, and at least in the short term. but what we don t know yet is whether, although the vaccines may not give you complete protection to infection, that s not the same as severe disease, and what we are seeing is significant numbers of people who can still catch the infection, but they don t become as severely unwell, and that s reflected in the mortality rates. when we look at last winter s data, an older person who caught the infection might have a mortality rate of one in 60. that seems now to be won in 1000, because of the vaccine. so it may well be that we still see some breakthrough, we do get infections. we are indeed seeing that, but what that won t do is to turn into a severe case and make that person into a severe covid casualties. that person into a severe covid casualties- that person into
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