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"The laboratory has high-standard bio-safety facilities and a strict management system. All the researchers must undergo systematic theoretical and operation training, and obtain the qualification and approval before entering the laboratory," Wang quoted Yuan as saying.

The BRICS countries are emerging markets and major developing countries with global influence, the spokesperson said. He added that under the current situation, the five countries, by upholding the BRICS spirit of openness, inclusive and win-win cooperation and enhancing unity and cooperation in trade, will not only boost economic recovery at home, but also help ensure the safe and smooth operation of global industrial and supply chains, and bring the world economy out of the shadows at an early date.

Prior experience with respiratory viruses and limited data from other countries suggest that convalescent plasma has the potential to lessen the severity or shorten the length of illness caused by COVID-19.

The participants are mainly from international organizations, domestic government agencies, business associations and enterprises, as well as foreign government offices, foreign embassies and consulates in China.

They appreciated China's promise to make COVID-19 vaccines international public goods once successfully developed, and increase the availability of the vaccines among developing countries, expressing the readiness to work with China in deepening public health cooperation, strengthening cooperation in pandemic prevention and control, and facilitating economic recovery.