paravaccinia

例句：

1. 1.The paravaccinia virus is responsible for the common cold.
   痘疮病毒是导致普通感冒的原因。
2. 2. Researchers are studying the genetic makeup of the paravaccinia virus.
   研究人员正在研究痘疮病毒的遗传构成。
3. 3.Vaccination against the paravaccinia virus has been shown to be effective in preventing illness.
   研究表明，接种痘疮病毒疫苗能有效预防疾病。