您要查找的是不是：
- Can influenza vaccine prevent avian flu? 流感疫苗可预防禽流感吗?
- This vaccine will give you immunity for two years. 接种这种疫苗可有两年免疫力。
- avianized vaccine 鸟化疫苗, 禽化减毒疫苗
- An unapproved vaccine; an unapproved protest march. 未经试验的疫苗; 未获批准的抗议示威
- An oral thermometer; an oral vaccine. 口用体温计; 口服菌苗
- At least one avian disease pathogen has been found. 已经发现至少有一种禽病的病原体。
- The search for a new vaccine took priority over all other medical research. 在各种医药研究中，应首先解决寻找新疫苗的问题。
- The smallpox vaccine has saved many lives. 天花疫苗挽救了许多人的生命。
- How is avian influenza transmitted? 禽流感是怎样传染的?
- For example: he is an expert in avian studies. 他是鸟类研究的专家。
- The vaccine was used to protect the whole population against infection. 这种疫苗用以为全体居民预防传染病。
- Selenium Deficiency the Inner Cause of Avian Flu? 是什么导致禽流感?
- Avian Influenza but Not via Wild Birds? 禽流感确实由野鸟传播?
- Avian flu - what are the new threats to insurance? 禽流感:保险业的新挑战?
- Avian influenza What causes influenza pandemic? 什么原因导致流感大流行?
- He failed many times but he finally broke through to find a successful polio vaccine. 他失败了许多次，但终于发现了有效的预防小儿麻痹症的疫苗。
- Salk vaccine is a"killed" vaccine. 沙克疫苗是一种不会传染的疫苗。
- Avian nephritis virus; our next big problem? 禽肾炎病毒会造成严重问题吗?
- Now there's a vaccine for measles. 如今已经有麻疹疫苗。
- Begone, you infernal avian!Shoo! 滚开，你这地狱之鸟！嘘！
