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Xi urged prompt efforts to develop safe and effective vaccines, drugs and testing kits to help fight the virus.

In the course of the outbreak response, the weak links in our air transport capacity have been exposed. "We must facilitate both international and domestic air transport services, and keep up our international air freight capacity to avert potential shocks to the supply chains and facilitate the restart of business operation," he said.

Noting that with COVID-19 having recently occured and spread in a number of countries, the situation is worrying, he urged the international community to take urgent action and carry out effective international cooperation in joint prevention and control, so as to form a strong concerted force to beat the disease.

During the epidemic, Zhao and his colleagues expanded more than 100,000 cloud servers to ensure the stable operation of "cloud classrooms" and "cloud offices" for millions of people working and studying from home.

China will provide convenience and assistance to them as always, Geng said at a press briefing in response to a question concerning the country's new countermeasures against restrictive measures on Chinese media agencies in the United States.