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.

Surveillance de la grippe: synthèse hebdomadaire  (flux WISO)
Weekly Influenza Surveillance Overview  (WISO)

Yersinia enterocolitica et Yersinia pseudotuberculosis.
Yersinia enterocolitica and Yersinia pseudotuberculosis.

Des professionnels de l’épidémiologie de terrain de plusieurs États membres ont répondu à l’enquête en ligne lancée au cours de l’été 2007.

Professionals in field epidemiology from different EU MS contributed to the online survey organized during summer 2007.