corynebacterium diphtheriae vs diphtheria

Difference between corynebacterium diphtheriae and diphtheria

Corynebacterium diphtheriae

Facultative anaerobic

Produce exotoxin

Pathogenic

Metachromatic granules

Chinese letter arrangement

Diphtheroids

Aerobic

Unable to produce exotoxin

Commensals

Lack metachromatic granules

Arranged in palisade manner

Frequently reported in association with nosocomial infection.