instruction:
In this task, you are given one French sentence. The major part of the sentences talk about health-related topics, but some of the them describe an organization and its activities. Your job is to translate the given sentences into English.
question:
Les programmes de vaccination infantile par un vaccin antipoliomyélitique oral (OPV) vivant atténué ou un vaccin antipoliomyélitique injectable inactivé (IPV) ont été très efficaces.
answer:
Childhood immunisation programmes with live weakened oral poliovirus vaccine (OPV) or with inactivated, injectable poliovirus vaccine (IPV) has been very effective.


question:
Jusqu’à 80 % des infections peuvent rester asymptomatiques.
answer:
Up to 80% of infections may be without symptoms.


question:
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.
answer:

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.