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diphtheria是什么意思，diphtheria翻译
Diphtheria is a serious bacterial infection caused by Corynebacterium diphtheriae. It primarily affects the mucous membranes of the nose and throat, but can also spread to the skin. The disease was once a common childhood illness, but thanks to the introduction of the diphtheria vaccine, it is now rare in developed countries.
The symptoms of diphtheria usually appear within 2