"Jean-Claude Iribarren, the secretary of the Airbus Atlantic works committee, told the paper the food had been prepared by the company’s canteen. “As we do every year, we organised a Christmas dinner for 2,600 people with a lot of local suppliers,” he said."
Unfortunately, for 700 of them, they became sick with vomiting and diarrhea. "The affected workers showed “clinical signs of vomiting and/or diarrhoea” after the seasonal dinner on 14 December. Most fell ill within 24 to 48 hours after the meal.
https://www.theguardian.com/business/2023/dec/23/airbus-atlantic-staff-christmas-dinner-gastroenteritis-outbreak
‘Worse than giving birth’: 700 fall sick after Airbus staff Christmas dinner
French health authorities investigating mass gastroenteritis outbreak after company restaurant served foie gras and lobster