Globally, the number of Covid-19 cases breached 20m after doubling in six weeks. More than 745,000 have died. Russia registered the first vaccine, which it claims effectively provides immunity. Among those who've already been vaccinated: one of President Vladimir Putin's daughters. Hong Kong police on Aug. 10 arrested media tycoon Jimmy Lai and several of his top executives, applying a new security law that opponents say seeks to silence political criticism and dissent. President Trump signed an executive order on Aug. 7 banning U.S. entities from dealing with WeChat-along with ByteDance's video platform TikTok-as of Sept. 20. The messaging app, which is owned by Chinese social media empire Tencent, has about 19m users in America; it now risks being dropped from Apple's and Google's mobile stores.
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