Task: Translation
Input (French): La diphtérie est une maladie aiguë provoquée par des souches de la bactérie  Corynebacterium diphtheriae  qui produisent une toxine (dans certains cas,  Corynebacterium ulcerans ) et qui colonisent les muqueuses.
Output (English): Diphtheria is an acute disease caused by toxin-producing strains of  Corynebacterium diphtheriae  (in some cases also by  Corynebacterium ulcerans ) bacteria, that is known to colonise mucous membranes.