Chinese health authorities confirmed that the efficacy of vaccines of Chinese origin against COVID-19 "is not high" and are evaluating alternatives to strengthen protection.
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2021-04-12T17:25:52.817Z
Chinese health authorities confirmed that the effectiveness of vaccines of Chinese origin against covid-19 "is not high" and are evaluating alternatives for | World | CNN
Chinese health authorities confirmed that the efficacy of vaccines of Chinese origin against COVID-19 "is not high" and are evaluating alternatives to strengthen protection.
Here we tell you more details.
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