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.

[Q]: On pense qu’un virus de la grippe d’un animal/oiseau qui s’adapte à l’homme et devient transmissible perd une partie de sa pathogénicité pour l’homme.
[A]: It is thought that as an animal/bird influenza adapts to humans and becomes transmissible, it also loses some of its pathogenicity for humans.


[Q]: La prévention doit avoir pour principal objectif d’éviter la production et l’inhalation des poussières contaminées et la consommation d’aliments potentiellement contaminés (par ex., lait non pasteurisé).
[A]: The mainstays of prevention aim at avoiding the production and inhalation of contaminated dust and the consumption of potentially contaminated food (e.g. un-pasteurised milk).


[Q]: Dans les pays riches, d’autres facteurs complexes affectent les programmes de vaccination.
[A]:
In wealthy regions other factors usually affect immunisation programs.