On 28 February 2020, an infected person from the Val-d'Oise, returning from Italy was hospitalised in Bichat–Claude Bernard Hospital, Paris. He was working for a contractor of Charles de Gaulle Airport. On the same day, Hôpital Tenon, which had received a patient from the Oise before he had been diagnosed, announced that it had been directly affected by the coronavirus with three infected medical personnel.
