Covid-19 is no ‘black swan’ and this crisis shows pandemic prevention must be part of government policy the world over

Pandemics are conventionally thought of as “black swan” events – totally unexpected and unpredictable. The Covid-19 pandemic challenges this notion.This pandemic was neither unexpected nor unpredictable; many infectious disease experts, myself included, have repeatedly warned of epidemics of novel and known pathogens that have the potential to threaten both global public health and economic security. A black swan Covid-19 is not – more a grey swan, perhaps.Over the past 25 years, the world has…

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