为了避免你长小脓包或得白喉病，所以会给你的身体接种小量毒素，然后你的身体会针对这些毒素产生免疫力。
To protect you against small pox or diphtheria, you are vaccinated with a small amount of the toxin, and then your body develops immunity against that toxin.
小鼠容易受到禽流感的被动免疫接种，其中四个抗体或对照抗体要么是白喉要么是炭疽。
Mice susceptible to the avian flu virus were passively immunized with one of the four antibodies or a control antibody to either diphtheria or anthrax.
目的：为了解南通市人群白喉抗体水平，合理制定免疫接种计划提供科学依据。
Objective to investigate the immune level of diphtheria and to provide basis for vaccination strategy in Nantong city.
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