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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.
Archaeologists later came to investigate the area and learned that it was an elephant skull fossil.
Armenia signed a memorandum of understanding to join the Digital Belt and Road at the fourth Digital Belt and Road Conference in Shenzhen, Guangdong province, on Dec 17, 2019. [Photo/www.chinanews.com]
Arab countries such as Morocco, Tunisia and the United Arab Emirates have wooed Chinese tourists with visa-free policies.
Arrangements regarding the approval-based system were deleted in the draft, while the section of general arrangements on new share sales was merged with the special section for the registration-based system on the sci-tech innovation board, or the STAR Market.
