n.疫苗；菌苗
adj.疫苗的；菌苗的
vaccinee───已接种牛痘者，受（疫苗）接种者
vaccines───n.[药][计]疫苗
vaccinate───vi.接种疫苗；vt.给…注射疫苗；n.被接种牛痘者
vaccinees───受（疫苗）接种者，已接种牛痘者
vaccinal───adj.疫苗的，接种的
vaccinia───n.[兽医]牛痘
Racine───n.拉辛（姓氏）
accinge───会计
accite───vt.引用；召集；鼓起
At present, no widely approved vaccine exists for malaria.───目前没有被广泛认可的疟疾疫苗。
Researchers around the world are collaborating to develop a new vaccine.───世界各地的研究人员正在合作培育一种新的疫苗。
new vaccine will take priority over all other medical research.───新的疫苗将排在其他一切医学研究之前。
Half received the vaccine. The other half received a placebo, an inactive substance. The volunteers did not know which they were getting.───有一半人接种了疫苗，另一半则只注射了无用的安慰剂。但志愿者们并不知道他们接种的是何种物质。
The father was unexpectedly furloughed and evidently his wife and son touched the vaccine site and became infected, the CDC said.───CDC声称由于他的孩子和妻子接触了防疫站而被感染，这名士兵意外的接到了休假通知。
But, he concludes, most researchers say that in the absence of a vaccine, a combination of these methods could slow the onward march of HIV.───但是，Cohen得出结论说，在缺乏疫苗的情况下，对这些方法的联合应用确实能够减缓艾滋病毒扩张的脚步。
Last week, the United States Department of Agriculture announced that it had approved the first vaccine for it.───上周，美国农业部宣布通过了首批疫苗。
These authorities carefully examine the known and suspected risks and benefits of any vaccine prior to its licensing.───为授予疫苗许可，这些机构会严格审核已知或可能的风险与益处。
WHO will now work to ensure that this vaccine gets to groups who otherwise would have no access to pandemic vaccines.───现在世卫组织将努力确保向除此以外将不能获得大流行疫苗的人群提供这些疫苗。