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At the invitation of the United States, Vice-Premier Liu He will visit the country from Monday to Wednesday to sign the economic and trade agreement with the US, Gao Feng, a spokesman for the Ministry of Commerce, said on Thursday at a news briefing in Beijing.

At the same time, medicines for HIV and AIDS produced in China and used by Chinese should be prequalified by the World Health Organization for use in Africa, he added. "We need to create a policy space to make sure those products can be prequalified by the WHO. That is one of the major challenges for the African countries to have easy access to these medicines," said Sidibe, who also is under-secretary-general of the United Nations.

At the same time, drug use, and a large amount of pornography and other information on the platform is further increasing the difficulty of HIV prevention, he added.

At present, the stability and improvement of China-Japan relations have also created the right conditions for the upgrading of economic ties on both sides.

At the same time, thorough checks will be carried out on all the other vaccines produced by the company and any substandard cases uncovered will be dealt with immediately.