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A medical worker takes a swab sample from a resident at a COVID-19 testing site in Haidian District in Beijing, capital of China, Jan 24, 2022. [Photo/Xinhua]

On COVID-19

- China's 'dynamic zero COVID-19 policy' fits its conditions, follows science

- China's 'dynamic zero COVID-19 policy' has helped stabilize global supply chains

- China has provided over 2.1 billion doses of COVID-19 vaccines for more than 120 countries and international organizations