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An mRNA vaccine carries an mRNA sequence that is coded for a viral-specific antigen. Once delivered into target cells, the antigen will be recognized by the immune system to generate responses to the virus. Compared with traditional vaccines, the development and production cycle of an mRNA vaccine is often shorter.
An Apollo autonomous bus is displayed during an exhibition in Guangzhou, Guangdong province, in August. LI ZHIHAO/FOR CHINA DAILY
An index compiled by GF Securities that tracks stock prices of STAR Market-listed companies hit the highest level on the 11th trading day of the new board. By contrast, it took nearly 25 days for the ChiNext, Shenzhen's innovative enterprise-heavy board that debuted in 2009, to stop the initial stock price surge driven by investor enthusiasm.
An array of new energy vehicles participate in a competition in Sanya, South China's Hainan province, on Nov 16, 2019. [Photo/www.chinanews.com]
An employee of Shanghai General Motors Wuling works at an assembly line in Jakarta, Indonesia. [Photo by Du Yu / Xinhua]
