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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 employee counts yuan banknotes at a bank in Huaibei, East China's Anhui province June 22, 2010. [Photo/Agencies]

An increased effort is said to be underway inside Amazon to reduce the number of what it calls “Can’t Realize a Profit,” or “CRaP” items. The Wall Street Journal reports that as the online retailer focuses more on the bottom line, it’s rethinking how it sells products that tend to be priced at or less and are heavy or bulky, and so expensive to ship. And difficult for Amazon to make any money on.

An agricultural official said on Sunday that China has sufficient soybean reserve to ensure fodder supply this year in response to concerns that the global novel coronavirus pandemic could disrupt supply chains and fuel price surge in imported soybeans.

An investigation team was set up immediately. After a three-month investigation, police locked in a telecom fraud ring and captured 35 suspects on April 15 after more than 30 police teams were dispatched to six provinces.