不过，每年5岁以下儿童大约240万死亡仍然死于传染病，尤其是麻疹，新生儿破伤风，肺结核，百日咳，脊髓灰质炎和白喉。
Nevertheless, around 2.4 million children under 5 years are still dying every year from such diseases, particularly measles, neonatal tetanus, tuberculosis, pertussis, poliomyelitis and diphtheria.
白喉是由白喉棒状杆菌引起的对儿童威胁极大的一种急性呼吸道传染病。
Diphtheria is causes by the diphtheria clavate bacillus threatens the enormous one kind of acute respiratory tract infectious disease to the child.
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