Novavax’s Covid-19 vaccine shown to be 89% effective
诺瓦瓦克斯新冠疫苗有效率达89%

US biotech says its jab also displayed ‘significant clinical efficacy’ against two virus variants
在英国和南非进行的两项临床试验公布的中期数据显示，Novavax新冠疫苗有效率达89%，且对新冠病毒新变种有效。