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"Learning from other countries' practices and taking into consideration the evolving epidemic situation, we have adjusted measures concerning pertinent travelers to China," he said, adding that such adjustment is reasonable and legitimate move consistent with international customary practices.

The article by Xi, also general secretary of the Communist Party of China (CPC) Central Committee and chairman of the Central Military Commission, will be published in the 22nd issue of the Qiushi Journal.

China has also promised to take into account the needs of countries in the region and work toward the accessibility and affordability of vaccines.

"If the first step is not achieved, the following steps (to recover the economy) will be impossible," he said.

Big countries should lead by example in advocating and upholding the international rule of law and in honoring their commitments, he added.