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Covid-19 could one day become a routine illness like a cold or the flu, according to virologists and epidemiologists. But it will take a lot to get there, and the fierce spread of the Delta variant that is filling hospitals again shows just how dangerous this route could be.
More than 20 months after the start of the pandemic, people around the world must change the way they perceive a disease that public health authorities once believed they could overcome. A terrifying emergency has become a long and arduous journey.
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