• Chinese, U.S. experts urge solidarity in virus battle

    Mutations of the COVID-19 virus will decrease the effectiveness of vaccination and also decrease the effectiveness of antibody treatments, according to Zhong, a renowned respiratory expert.  "The key point is for the world to receive vaccines as soon as possible.But China's vaccine-production capacity warrants no concern, since the country is well able to produce 2.1 billion doses by the end of 2021, Zhang said.

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