DALIAN, China -- Major Chinese drugmakers are rushing to expand production capacity for COVID-19 vaccines to aid inoculation drives around the world, but mounting doubts over how well their shots work may cloud global demand down the line.
COVID vaccines
Doubts over China vaccines' effectiveness mar production push
Focus on speedy development comes back to haunt Sinovac and Sinopharm
Doses of the Sinopharm coronavirus vaccine in Serbia: China is sending shots to countries around the world, especially those part of its Belt and Road initiative. © Reuters
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