| 1. | Vaccination immunizes people against smallpox . 种牛痘可以免患天花。 |
| 2. | Vaccination immunizes one against smallpox . 接种牛痘能使人免患天花。 |
| 3. | Vaccinations and debeaking produce stresses . 接种疫苗和断喙可产生应激。 |
| 4. | This is the result of an intensive vaccination program for pets, primarily dogs and cats . 这是加强对牲畜首先是犬和猫大规模的预防接种计划的结果。 |
| 5. | The officer is inspecting his passport , health certificate , vaccination certificate , and so on . 那个官员在检验他的护照、健康证书、免疫证书等等。 |
| 6. | In addition, the immunity produced so far lasts only three to six months, so frequent vaccinations would be necessary . 再则,至此产生的免疫只能持续三至六个月,因此需要经常种痘。 |
| 7. | Vaccination with weakened or killed viruses arouses these antigens in exactly the same way, producing immunity without infection . 用减弱了的或者是死的病毒去接种,能同样地引出这些抗体,从而既产生免疫但又不发生感染疾病。 |
| 8. | Thoughts on the law side of the vaccination behavior 关于预防接种行为的法律思考 |
| 9. | Dog and cat vaccinations . too many , too often ? 二猫与狗的疫苗接种太多太频繁? |
| 10. | If there ' s no take , you must get vaccination again 如果疫苗不发,你得再接种一次 |