China has pledged half a billion doses of its vaccine to more than 45 countries as experts raise concerns

China’s vaccine diplomacy campaign has been a surprising success: It has pledged roughly half a billion doses of its vaccine to more than 45 countries, according to a country-by-country tally by The Associated Press. With just four of China’s many vaccine makers able to produce at least 2.6 billion doses this year, a large part of the world’s population will end up inoculated not with the fancy Western vaccines boasting headline-grabbing efficacy rates, but with China’s humble, traditionally made shots.

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