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Vaccinating the world against Covid-19 can take a lesson from polio, smallpox
Clara Ferreira Marques is a Bloomberg Opinion columnist covering commodities and environmental, social and governance issues. Previously, she was an associate editor for Reuters Breakingviews, and editor and correspondent for Reuters in Singapore, India, the U.K., Italy and Russia.Click here to read the Mint ePaperMint is now on Telegram.