Definition: 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.
Input: Le reservoir naturel des virus influenza est constitue par un ensemble variable et en constante evolution de virus parmi les populations d'oiseaux aquatiques sauvages, les virus influenza aviaires (IA).
Output:
The natural reservoir of influenza viruses is a diverse and constantly changing pool of viruses among wild water bird populations, the avian influenza (AI) viruses.