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Li said that the challenges remain severe, with vaccines representing a strong shield to defend against the virus. He pointed out that China will continue to promote clinical trials in multiple centers, and facilitate market entrance as soon as possible, once the goals of research and development have been accomplished, so as to provide the world with a safe, effective and high-quality global public good.

"The United Nations is a product of World War II. We need to uphold the UN-centered international system, maintain international order based on international law, and safeguard the purposes and principles of the UN Charter," he told an Arria Formula virtual meeting of the Security Council.

Efforts should be made to deepen reforms on investment and financing mechanisms, expand equity and bond financing, and quicken the construction of water conservancy projects by leveraging market-oriented reforms.

"For instance, poor migrant laborers cannot go out to work, poor households suffer from financial losses in their operations, work of poverty-relief teams is disrupted, and anti-poverty businesses and programs have been put on hold," he said.

The disease prevention and control system serves as an important guarantee for protecting people's health and public health security as well as maintaining economic and social stability, he noted.