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Dr Marco Aur茅lio S谩fadi on the decline of Covid-19 cases in South America
Dr Marco Aur茅lio S谩fadi is a Brazilian infectious disease specialist and head of the Department of Pediatrics at Santa Casa de S茫o Paulo School of Medical Sciences. He speaks to the 麻豆官网首页入口's Christian Fraser on why coronavirus numbers are declining across South America and vaccination campaigns in the region.
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