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MEDICAL experts have warned the government could make the second booster shot – the fourth vaccination – mandatory if a spike in Covid-19 cases reached alarming levels.
They expressed concern that the efficacy of the Covid-19 vaccines is waning.
转载说明:本文转载自Sunbet。 Usdt自动充值接口声明:该文看法仅代表作者自己，与本平台无关。转载请注明：a55555彩票网（www.a55555.net）_Experts fear another Covid spike as vaccine efficacy wanes