Diphtheria and tetanus toxoids and acellular pertussis vaccine adsorbed .
白喉和破伤风类毒素以及吸附的无细胞百日咳菌苗。
Even if they did , they probably dropped dead of diphtheria before age 24 .
即使他们做了,他们也可能在24岁以前就死于白喉病。
The root problem is that today 's parents are the first in history with no memory of the maiming and killing caused by polio , tetanus , diphtheria or measles .