So shortly after 9/11 the Government made a contract to a company called Acambis to make four hundred million doses of smallpox for $343 million dollars.

11后不久 政府与一个叫做,阿坎比斯的公司签订了合约,目的是用3.43亿美元,制造四亿支天花疫苗

耶鲁公开课 - 生物医学工程探索课程节选