牛痘

例句：

1. 1. The vaccine against rabies is effective in preventing equine encephalitis and other diseases causedby the virus.
   狂犬病疫苗能有效预防由该病毒引起的马脑炎和其他疾病。
2. 2.The disease can be prevented by vaccination, which involves injecting a weakened virus into the body to stimulate an immune response.
   这种疾病可以通过疫苗接种来预防，疫苗接种是将一种弱化的病毒注入体内以刺激免疫反应。
3. 3. Vaccines are essential for public health and should be administered to all individuals who are at risk of exposureto the virus.
   疫苗对于公共卫生至关重要，应该对所有有暴露风险的人群进行接种。