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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 Amtrak train derailed in the state of Washington late last year, killing three people and injuring dozens.
An aircraft cleaning robot is on display at the stand of HNA Technology at the China Hi-tech Fair 2017 in Shenzhen city, South China's Guangdong province, Nov 16, 2017. [Photo/IC]
An amicus, or “friend of the court,” brief lets companies and outside entities add comments to court cases that aren’t involved in.
An incident involving a family of three Chinese tourists who were refused permission to wait in the lobby of a hostel in Sweden and were removed by the police, has received wide media coverage in China and aroused heated discussions among internet users.
