Pfizer and Moderna ramp up EU Covid vaccine prices
辉瑞和莫德纳新冠疫苗双双提价

Calls for booster shots and spread of more infectious variants underpin demand for the most effective products
随着各国急于锁定加强针疫苗的供应，最新欧盟供应合同显示，辉瑞将其新冠疫苗提价逾四分之一，莫德纳提价逾十分之一。