rubella vaccine

例句：

1. 1.The rubella vaccine is recommended for pregnant women to prevent the disease.
   风疹疫苗被推荐给孕妇，以防止该疾病。
2. 2.The rubella vaccine has been shown to be effective in preventing rubella.
   研究表明，风疹疫苗能有效预防风疹。
3. 3.The rubella vaccine is available at many pharmacies and clinics.
   许多药房和诊所都提供风疹疫苗。