vaccinate

That time can be difficult to determine, and there are many conflicting opinions regarding the most appropriate time to vaccinate.(这一时间很难确定，在何时是正确的免疫时间这一问题上许多观点是冲突的。)

Nonetheless, it will still be possible to vaccinate people in other high-risk groups: health care workers, people caring for infants and healthy young people.(虽然如此，它还是有可能给其它高危险人群组接种：医护人员、婴儿看护及健康的年轻人。)

They refused to vaccinate their own children.(他们拒绝给他们自己的小孩接种。)

Doctors vaccinate us so that we do not catch smallpox.(医生给我们打预防针使我们不会得天花。)

Boser has to vaccinate her foxes against various diseases.(博瑟必须给她的狐狸接种预防各种疾病的疫苗。)

Despite efforts to vaccinate and control the population of infected birds, H5N1 is considered firmly entrenched in bird populations across large parts of Asia.(尽管人们努力接种疫苗和控制已感染的禽鸟数量，但H5N1病毒仍顽强地存于亚洲大部分地区禽鸟群内。)

At home it began a program to vaccinate children against infectious childhood diseases.(在国内开展了接种计划，予防儿童传染病等。)

Doctors have been given a target to vaccinate just over half of people in the priority groups in order not to lose income, but fear they will not be able to hit this.(医生为了保住自己的收入，必须针对优先人群，让半数以上的人能够接种疫苗，但他们担心自己没法办到。)

If sow herd is vaccinated, especially pre-farrowing, then it is even more important to vaccinate pigs later.(如果母猪免疫，尤其在产前免疫，仔猪则免疫更嘉推迟。)

They give his body time to form its own antibodies, or protective substances, against some diseases. The doctor may vaccinate him for protection against others.(它们为他的身体提供了时间去形成对抗某些疾病的抗体或有保护性的物质。医生可以给婴儿接种疫苗保护他不受其它疾病侵袭。)