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June 14, 2021
Here's what worries some experts about how Chinese companies are developing potential Covid-19 vaccines

Here’s what worries some experts about how Chinese companies are developing potential Covid-19 vaccines

Since the initial outbreak of Covid-19 in Wuhan, China, the country’s authorities have largely succeeded in keeping a lid on the virus through tough measures. As Beijing pushes hard to develop a Covid-19 vaccine, CNN’s Ivan Watson reports on why some health experts are urging caution.