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Considering Hong Kong's situation at present, efforts must be made at the state level to establish and improve the legal system and enforcement mechanisms for the HKSAR to safeguard national security, he said.

In the fight against the pandemic, China and Africa need solidarity and mutual understanding more than ever, 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.

Xi also stressed fixing the shortcomings in the country's major epidemic prevention and control mechanism and the national public health system to raise the ability to deal with major public health emergencies.

The law will improve the legal system, management and enforcement mechanisms for the HKSAR to safeguard national security, and ensure the steady and sustained development of the "one country, two systems," it said.