News on China's scientific and technological development.


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China slips in COVID-19 vaccine race on doubts over effectiveness

On Nov. 17, British medical journal The Lancet featured a study about the efficacy of Sinovac Biotech's vaccine candidate based on initial clinical trials. It found that the Chinese company's candidate generated lower levels of protective antibodies than those present in recovered coronavirus patients. The efficacy was determined to be moderate.

In contrast, the candidates from U.S.-based Pfizer and Moderna were found to be more than 90% effective, while the offering from Britain's AstraZeneca had an overall efficacy rate of 70%. Both American pharma companies used cutting-edge technology to develop their products.

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