"The most urgent priority is to expedite the construction of the 'Great Wall of Immunity' to fend off the virus, surpass political discrimination and carry out international anti-pandemic cooperation."

China, where the coronavirus first surfaced in the central city of Wuhan in late 2019, has supplied more than 480 million vaccine doses to other nations.

Wang said it would keep working to improve the accessibility and affordability of vaccines in developing countries.

By Friday, China had administered a total of 1.28 billion doses of vaccine. B9N2N201Q