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Dr Marco Aurélio Sáfadi on the decline of Covid-19 cases in South America
Dr Marco Aurélio Sáfadi is a Brazilian infectious disease specialist and head of the Department of Pediatrics at Santa Casa de São Paulo School of Medical Sciences. He speaks to the ÃÛÑ¿´«Ã½'s Christian Fraser on why coronavirus numbers are declining across South America and vaccination campaigns in the region.
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