为了每年不再争分夺秒地去预测将会出现何种流感类型，并且在每个流感季节中都能快速大量生产出新疫苗，众多科学家早开始在试验各种各样的原型疫苗。
Many scientists are already testing different prototypes to put an end to the yearly race to predict coming flu strains and quickly mass produce a new vaccine each flu season.
世卫组织还为疫苗生产行业提供季节性疫苗使用的原型菌株和各种材料以确保和证实达到全球疫苗标准。
WHO also provides the vaccine manufacturing industry with prototype strains for the seasonal vaccine as well as materials to ensure and validate that global vaccine standards are met.
一个西班牙研究小组已经开发出了HIV疫苗原型，这是迄今为止“最为强大的”抗hiv病毒疫苗。
A team of Spanish researchers has developed a prototype of a vaccine against the AIDS-causing HIV virus that is "much more powerful" than those made to date.
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