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As the first shipments of the Pfizer COVID-19 vaccine left Michigan early Sunday for 145 distribution centers in the US and was scheduled to arrived Los Angeles County on Monday, local authorities repeatedly warned residents to wear mask.
As the novel coronavirus outbreak is gradually contained in China, officials in some regions are taking the lead in removing their masks and dining out to show wary residents the worst has passed.
As the force of gravity weakens with the distance above sea level, very sensitive measurements of the actual gravitational field on or near Qomolangma can be used to calculate the location of the geoid beneath the summit－important information for the accuracy of the mountain's height, said Dang Yamin, a geologist at the Chinese Academy of Surveying and Mapping.
As required by the Hamburg G20 Declaration, the Global Forum is to deliver a substantive report with concrete policy solutions by November 2017, as a basis for tangible and swift policy action.
As the coronavirus pandemic sweeps the world to close borders and travel, many airlines will be bankrupt by the end of May, warned the Center for Aviation, or CAPA, a leading global aviation and travel intelligence organization based in Sydney.
