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"Canadians can feel confident that the review process was rigorous and that we have strong monitoring systems in place. Health Canada and the Public Health Agency of Canada will closely monitor the safety of the vaccine once it is on the market and will not hesitate to take action if any safety concerns are identified," Health Canada said in a statement.

"China is still a developing country. Its development needs World Bank support, and the Bank's development also needs China's contribution," the Ministry of Finance said on Tuesday.

"China has placed unprecedented importance on attracting foreign talent since 2012," said Zhang, who is also director of the State Administration of Foreign Experts Affairs.

"Children's mathematical thinking training is a market with great potential and Huohua will take further moves to tap the trend," Luo said.

"China is actively participating in global health governance and promoting the building of a shared community with a common destiny, as well as helping developing countries to achieve their universal healthcare goals," said Ma, who is leading the Chinese delegation at the assembly.