![Jean-Francois Delfraissy, President of Scientific Council, looks on prior to hearing at inquiry into how authorities handled COVID-19 crisis. Sept. 15, 2020. Jean-Francois Delfraissy, President of Scientific Council, looks on prior to hearing at inquiry into how authorities handled COVID-19 crisis. Sept. 15, 2020.](https://static.euronews.com/articles/stories/05/31/63/44/1200x675_cmsv2_83115397-fa1b-580b-963c-446a6eee80d4-5316344.jpg)
Video. France's top health adviser says third lockdown 'probably necessary'
Professor Jean-Francois Delfraissy has called for swift government action, amid rising concerns about the spread of new variants of the virus.
Professor Jean-Francois Delfraissy has called for swift government action, amid rising concerns about the spread of new variants of the virus.