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At the most critical step during infection, SARS-CoV-2, the virus that causes COVID-19, uses its spike protein receptor-binding domain (S-RBD) to engage with the host cell receptor angiotensin-converting enzyme 2 (ACE2), according to PolyU.

At that level, Aramco has a market valuation of .7 trillion, overtaking Apple as the world's most valuable listed firm.

At the end of the day, it's a matter of choice. But it does no harm to distinguish if 996 is a means or an end in itself. If the work ethic stands for expedited deadlines, it's heartening news to both the organization and the individual. But if the motto is simply a mirage of camaraderie and a result of peer pressure, then tech workers do face the danger of burnout, physically and mentally.

At the invitation of the Algerian government, the Chinese experts will share information about epidemic control and prevention, treatment and testing.

At the workshop on the Sixth Plenary Session of the 18th CPC Central Committee, attended by provincial and ministerial officials on Feb. 13, Xi told leading officials to practice strict self-discipline and eliminate privileges.