noun🔗ShareDifteriaA serious infectious disease which causes inflammation of mucous membranes of the upper respiratory tract caused by Corynebacterium diphtheriae."Before vaccines became common, diphtheria was a feared disease, especially among children. "Antes de que las vacunas fueran comunes, la difteria era una enfermedad temida, especialmente entre los niños.diseasemedicineorganismbiologyChat with AIVocabulary GamePractice Reading