博彩平台网址大全（www.99cx.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.博彩平台网址大全（www.99cx.vip）是一个开放皇冠体育网址代理APP下载、皇冠体育网址会员APP下载、皇冠体育网址线路APP下载、皇冠体育网址登录APP下载的官方平台。博彩平台网址大全上博彩平台网址大全登录线路、博彩平台网址大全代理网址更新最快。博彩平台网址大全开放皇冠官方会员注册、皇冠官方代理开户等业务。
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.