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The new crown pneumonia vaccine welcomes good news. How long is it lef
At present, under the danger of an accelerated surge in new coronary pneumonia cases worldwide, the new crown vaccine has sent three exciting good news.
On the evening of July 20th, CanSino Biotech/Academician Chen Wei team of the Chinese Academy of Engineering, Oxford University/AstraZeneca and Pfizer/BioNTech all announced the latest results of their vaccine development projects. Clinical trials have shown that the three vaccines developed by these teams are safe and all participants can produce an immune response.
R&D three-line success
How long is left until the mask is removed? Before receiving clear instructions, you should not relax. You should wear masks when you go out to protect yourself and not cause trouble to the country.
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