The shadow of the Omicron variant hangs over the global economy. Even though we remain largely ignorant of its transmissibility, virulence and ability to evade the protection of vaccination or prior infection, there is no better time to take stock of the economic lessons from the past two years in order to help set policy now.
Omicron变种的阴影笼罩着manbetx app苹果 manbetx20客户端下载 。尽管我们基本上仍然不知道其传染性、致病力以及逃避疫苗接种或先前感染所引发的免疫力的能力，但现在是总结过去两年的manbetx20客户端下载 教训以帮助制定当前政策的最佳时机。
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