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  1. We enter not a new normal but the return of an old one.
    The constant presence of serious, contagious illness is not actually new. What is new are the travel and trade networks that spread it so quickly.
    When I did papers in Social History at Massey I found out something that intrigued me and others.
    Nobody knows why diseases suddenly become virulent, then benign.
    The reason world population is now approaching seven billion is that the devastating disease plagues that struck nearly every generation suddenly eased and no-one really knows why.
    I know readers do not want me to spend too long on this but some examples:
    Bubonic plague is always present in Central Asia. The Black Death was frequent and virulent in epidemic form for hundereds of years – then stopped. Outbreaks in many countries, including New Zealand, were isolated, not very virulent and not contagious.
    Samuel Pepys provided evidence that seventeenth century children were encouraged to catch smallpox because it was not considered dangerous to young people and immunized them. Historians who examined death records of this time found relatively few people seemed to die of smallpox even in epidemic years.
    But in the eighteenth century smallpox was terribly virulent and many died. Then it faded.
    From vaccination? Relatively few people were vaccinated. Better hygiene and medical care? Louis Pasteur was the first person to seriously recognise microbes spread disease and do something to combat it. The great mass of people knew nothing about the way disease was transmitted.
    There are other examples but this has happened before and as before it may reduce populations, warp and shrink the world we know and, most importantly, launch social and political change.
    Viva La Post Covid Revolution

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