What happened to the 14 agents at Lenval Hospital in Nice who were sick?

Victims of nausea and headache this Saturday, the agents of the Lenval Children's Hospital in Nice have been tested. Patients and their families are not concerned.

Headache, nausea: symptoms reported by Lenval hospital staff suspected carbon monoxide poisoning this Saturday late in the afternoon in Nice. Seven, then eleven agents were bothered, resulting in transfers of young patients and the intervention of sappers-po