Rochelle Walensky said Thursday that new COVID-19 cases in the U.S. were up 43% over the previous week, while the seven-day rolling average of virus deaths has also increased 39% from the week prior. U.S. public health officials have renewed the urgent call for Americans to get ...
新冠疫苗,可能都要补第三针 近日, Moderna疫苗CEO Stephane Bancel在接受Business insider采访时表示,目前的Moderna疫苗不可能提供永久保护力,预计将在今年秋天,提供第3针加强剂。 (图片来自NYpost 版权属于原作) 同时,Bancel也表示,接种第3针疫苗,或许能针对目前在美国盛行的英国变种病毒、巴西变种病毒和南非变种病毒,...
NEW YORK - The U.S government’s first look at the real-world use of COVID-19 vaccines found their effectiveness was nearly as robust as it was in controlled studies. The two vaccines available since December — Pfizer and Moderna — were 90% effective after two doses, t...