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Rapid progress of two new coronavirus vaccines in China

via:驱动之家     time:2020/4/22 18:06:12     readed:128

COVID-19 the new coronavirus has no specific drug, it's still vaccine that stops the global pandemic. At present, there have been 2 vaccines into the clinical stage, rapid progress. Gao Fu, director of the National Centers for Disease Control and Prevention and a member of the Health and Health Council's high-level expert group, said the new coronavirus vaccine would be used by health care workers as a priority.

Recently, Gao Fu talked about the development of the new coronavirus vaccine in an interview, saying that according to the trend of the epidemic situation, in case of emergency,Some people, such as medical staff, may be given the new crown vaccine at the end of the year.

For the time of vaccine development, Gao said,If the normal process is followed, it may not be used until the end of this year and the beginning of next year

According to the report, at present, China is making great efforts to tackle the new coronavirus vaccine, and is steadily advancing five technical routes, namely, inactivated vaccine, recombinant protein vaccine, adenovirus vector vaccine, live attenuated influenza virus vector vaccine and nucleic acid vaccine.

At present, there are two kinds of vaccines entering the clinical stage A team of Chinese Academy of Engineering and Academician Chen Wei of the Academy of Military Medicine led the development of innovative recombinant vaccine products

Another kind of vaccine is the inactivated vaccine developed by Sinopharm Wuhan Institute of biological products and Beijing Science and Technology Co., Ltd. in cooperation with relevant scientific research institutions,Directly entered phase I and phase II combined clinical trials

According to the data of papers published by the research team, the inactivated covid-19 vaccine is not only safe, but also has obtained high titer of sars-cov-2 specific IgG antibody. After six weeks of vaccination, the neutralization titer of serum is as high as EC50 10e4, which is significantly higher than the plasma of the rehabilitation patients reported in the previous literature. Moreover, the immune serum response is broad-spectrum, which can neutralize 10 different sars-cov-2 strains.

中国2种新冠病毒疫苗进展神速

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