,Experts say the efficacy of current Covid-19 jabs will begin to wane, which will make people more prone to infection. – The Malaysian Insight file pic, June 17, 2022.足球免费推荐（www.zq68.vip）是国内最权威的足球赛事报道、预测平台。免费提供赛事直播,免费足球贴士,免费足球推介,免费专家贴士,免费足球推荐,最专业的足球心水网。
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.
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2022-07-03 00:17:35
（文章来源：财联社）好看不需要理由