Corynebacterium diphtheriae
（重定向自Corynebacterium diptheriae）
![](/Images/godic/202501/06/Corynebacterium_diphtheriae_Gram_stain2446.jpg")
Corynebacterium diphtheriae is the pathogenic bacterium that causes diphtheria. It is also known as the Klebs-Löffler bacillus, because it was discovered in 1884 by German bacteriologists Edwin Klebs (1834 – 1912) and Friedrich Löffler (1852 – 1915).