Already exported to and applied in over 70 countries, Chinese vaccines offer a hope for the world to rein in the COVID-19 virus. China has promised to make its vaccine a global public good accessible and affordable to developing countries.

What is going on of the vaccine's research and development, production and export capacity? What is the time for minors and seniors to be vaccinated? Watch the video.

Reporter: Liu Zhihua

Video editors: Zhao Shiyue, Chen Liubing and Zhao Tingting

Supervisors: Hu Yuanyuan and Zhang Chunyan

Producer: Wang Yu