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Three-shot recombinant COVID-19 vaccine now available in Beijing, coming soon in Tianjin
Published on: 2021-05-31
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A three-shot recombinant protein COVID-19 vaccine developed in China is now available in Beijing.

The vaccine (CHO Cells) was jointly developed by the Institute of Microbiology under the Chinese Academy of Sciences and Anhui Zhifei Longcom Biopharmaceutical Co. Ltd. Researchers from the institute have been receiving their first jabs in Beijing's Haidian District since Thursday.

China authorized the emergency use of the vaccine on March 10, and people from many provinces including Anhui and Hubei have since received the vaccine. On May 3, the first batch of the vaccine was rolled off the production line in Beijing, according to the institute.

The results of phase two trials, which involved people aged between 18 and 59, show that 83 percent of participants produced neutralizing antibodies after two doses of the vaccine, and 97 percent produced neutralizing antibodies after three doses.

The early-stage trials, conducted among people aged 60 and above, show that the seroconversion rate of neutralizing antibodies reached 95 percent after three doses, with no serious adverse reactions related to vaccination.

The recommended interval between vaccine doses is one month.







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