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At that time, McLellan's lab was working with Barney Graham, deputy director at the National Institutes of Health's Vaccine Research Center, to develop vaccines targeting emerging coronaviruses, including SARS and MERS. To achieve that, first they had to find a way to stabilize the virus' shape-shifting spike protein.

At present, China's crude stainless steel output ranks first in the world, accounting for more than half of the global market, according to the forum.

At present, up to 170,000 charging facilities are connected to the online platform, serving more than 800,000 users, Jiang said.

At the time, the nation was poor and economically underdeveloped, with a vast number of people trapped in poverty. Economic output was basically stagnant from 1913 to 1950, with GDP growth averaging - 0.02 percent compared with the global average of 1.82 percent.

Atlas, a neuroradiologist with Stanford University's conservative Hoover Institution, joined the White House earlier this month as a pandemic adviser.