That time can be difficult to determine, and there are many conflicting opinions regarding the most appropriate time to vaccinate.(這一時(shí)間很難確定，在何時(shí)是正確的免疫時(shí)間這一問(wèn)題上許多觀點(diǎn)是沖突的。)

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.(雖然如此，它還是有可能給其它高危險(xiǎn)人群組接種：醫(yī)護(hù)人員、嬰兒看護(hù)及健康的年輕人。)

They refused to vaccinate their own children.(他們拒絕給他們自己的小孩接種。)

Doctors vaccinate us so that we do not catch smallpox.(醫(yī)生給我們打預(yù)防針使我們不會(huì)得天花。)

Boser has to vaccinate her foxes against various diseases.(博瑟必須給她的狐貍接種預(yù)防各種疾病的疫苗。)

Despite efforts to vaccinate and control the population of infected birds, H5N1 is considered firmly entrenched in bird populations across large parts of Asia.(盡管人們努力接種疫苗和控制已感染的禽鳥數(shù)量，但H5N1病毒仍頑強(qiáng)地存于亞洲大部分地區(qū)禽鳥群內(nèi)。)

At home it began a program to vaccinate children against infectious childhood diseases.(在國(guó)內(nèi)開(kāi)展了接種計(jì)劃，予防兒童傳染病等。)

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.(醫(yī)生為了保住自己的收入，必須針對(duì)優(yōu)先人群，讓半數(shù)以上的人能夠接種疫苗，但他們擔(dān)心自己沒(méi)法辦到。)

If sow herd is vaccinated, especially pre-farrowing, then it is even more important to vaccinate pigs later.(如果母豬免疫，尤其在產(chǎn)前免疫，仔豬則免疫更嘉推遲。)

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.(它們?yōu)樗纳眢w提供了時(shí)間去形成對(duì)抗某些疾病的抗體或有保護(hù)性的物質(zhì)。醫(yī)生可以給嬰兒接種疫苗保護(hù)他不受其它疾病侵襲。)