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.

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.
It is thought that as an animal/bird influenza adapts to humans and becomes transmissible, it also loses some of its pathogenicity for humans.

M. Johan Giesecke, directeur scientifique et chef de l’Unité de conseil scientifique.
Prof Johan Giesecke, Chief Scientist and Head of Scientific Advice Unit

Ils constituent également un outil essentiel de la médecine moderne; des procédures courantes comme les greffes, la chimiothérapie pour le cancer et même la chirurgie orthopédique, seraient impossibles sans antibiotiques puissants.

They are also an essential tool for modern medicine and common procedures such as transplants, chemotherapy for cancer and even orthopaedic surgery could not be performed without the availability of potent antibiotics.