Carrot or stick? As the super-infectious Delta variant spreads around the world, threatening to stall the reopening and recovery in countries that thought their Covid-19 vaccine programmes were succeeding, governments are facing the delicate question of how to get hesitant citizens to take the jab.
胡萝卜或大棒？随着具有超级传染性的德尔塔病毒变种在世界各地传播，一些国家自认为新冠疫苗项目正在取得成功，这些国家的重新开放和恢复可能会受阻，各国政府正面临一个微妙的问题，即如何让犹豫不决的公民接种疫苗。
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