A Chinese Covid-19 Vaccine Has Proved Effective, Its Maker Says Sinopharm, a state-controlled company, said its candidate had a 79 percent efficacy rate in interim late-stage trials, bringing a China-made vaccine a step closer to approval for mass use. https://ift.tt/eA8V8J https://www.nytimes.com

Sinopharm, a state-controlled company, said its candidate had a 79 percent efficacy rate in interim late-stage trials, bringing a China-made vaccine a step closer to approval for mass use.

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