您要查找的是不是：
- variola vaccine 天花疫苗
- This vaccine will give you immunity for two years. 接种这种疫苗可有两年免疫力。
- 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
- It belongs to a group of viruses that includes the smallpox virus (variola), the virus used in the smallpox vaccine (vaccinia), and the cowpox virus. 它属于一个包括天花病毒、在天花疫苗中采用的病毒和牛痘病毒的病毒组。
- It belongs to a group of viruses that includes the smallpox virus( variola), the virus used in the smallpox vaccine( vaccinia), and the cowpox virus. 它属于一个包括天花病毒、天花疫苗中采用的病毒和牛痘病毒的病毒组。
- Other orthpoxviruses that cause infections in humans include variola (smallpox), vaccinia (used for smallpox vaccine), and cowpox viruses. 其他导致人类感染的正痘病毒包括天花、牛痘（用于天花疫苗）和牛痘病毒。
- 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。
- 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。
- Other orthpoxviruses that cause infections in humans include variola( smallpox), vaccinia( used for smallpox vaccine), and cowpox viruses. 其他导致人类感染的正痘病毒包括天花、痘（于天花疫苗）牛痘病毒。
- 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。
- Now there's a vaccine for measles. 如今已经有麻疹疫苗。
- An oral thermometer;an oral vaccine. 口用体温计；口服菌苗
- An autogenous graft;an autogenous vaccine. 自体移植；自体免疫
- Salk vaccine is a" killed" vaccine. 沙克疫苗是一种不会传染的疫苗。
- The vaccine provides longer immunity against flu. 这种疫苗对流感的免疫效力时间较长。
- The CDC says manufacturers made plenty of vaccine. 疾病预防控制中心说，生产商制造了足够的疫苗。
- Smallpox (or variola ):One of the world's most dreaded plagues before 1977. 天花: 1977年以前世界上最恐怖的瘟疫之一。
