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A medical worker injects a dose of the COVID-19 vaccine into a man at a hospital in Accra, capital of Ghana on May 19, 2021.Seth | Xinhua News Agency | Getty ImagesTop health officials in Europe and Africa said Wednesday they were…

Dave Ricks, chairman and CEO of Eli Lilly, told CNBC on Tuesday that he expected the company's Covid-19 antibody drug to be effective against the variant of coronavirus found in the UKHowever, he said the exposure observed in South Africa…