即使他们做了，他们也可能在24岁以前就死于白喉病。
Even if they did, they probably dropped dead of diphtheria before age 24.
人们已经习惯在孩子患白喉病时去请医生看病，而不是让祖母去找巫婆；
They have fallen into the habit of calling on the doctor when the child develops 9)diphtheria rather than send grandmother to the 10)voodoo priest.
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.
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