皇冠最新网址（www.hg9988.vip）_Experts fear another Covid spike as vaccine efficacy wanes
,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.皇冠最新网址（www.hg9988.vip）是一个开放皇冠网址即时比分、皇冠网址代理最新登录线路、皇冠网址会员最新登录线路、皇冠网址代理APP下载、皇冠网址会员APP下载、皇冠网址线路APP下载、皇冠网址电脑版下载、皇冠网址手机版下载的皇冠最新网址平台。
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.