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As COVID-19 vaccines have leapfrogged development phases, stringent temperature requirements (up to -80 C) are likely to be imposed for certain vaccines to ensure the effectiveness of the vaccines during transportation and warehousing. This poses logistics challenges to the existing medical supply chain, which conventionally distributes vaccines at 2-8 C.

Artistic concepts that the teachers taught such as layering, lines and composition overwhelmed Zhang, as if the instructors were speaking in a foreign language.

Argentina became the fifth country to hit 1 million cases of COVID-19 on Monday, after the United States, India, Brazil and Russia, a tally by Johns Hopkins University said. It is only the second Latin American to have done so.

Around supper time one evening this winter, machines at a tea factory in Xiadang, a small village surrounded by mountains in north Fujian province, were still rolling. Workers were busy packaging and transporting tea products into the warehouse.

Around 50 cultural institutions from both countries have provided digital content that forms more than 75 individual cultural projects, most of which were created during the pandemic when restrictions were in place and will be shown for the first time in each country respectively in October.