Every day, Patrick Cohen receives a guest in his mid-day journal.

Today, it's the turn of Patrick Berche, former director general of the Institut Pasteur de Lille.

Guest:

- 

Patrick Berche

, former director general of the Institut Pasteur de Lille.

He publishes with Stanis Perez 

Pandémies - Des origines à la Covid-19

 at Éditions Perrin.