As the UK deals with a third wave of coronavirus infections, the BBC’s Ros Atkins traces the story of the Delta variant, from its arrival to how it became the dominant strain of Covid-19, leading to a delay in the easing of restrictions across the country.
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PECHINO (CINA) (XINHUA/ITALPRESS) – L’Asian Infrastructure Investment Bank (AIIB) ha pubblicato un nuovo rapporto di ricerca che sollecita maggiori investimenti…