Hospital Cohort Survey of Public Health Post-attack of July 14, 2016

The terrorist attack on the ram truck, which occurred on 14 July 2016 on the Promenade des Anglais in Nice, involved a significant number of casualties in the civilian population: 86 dead including 10 children and adolescents, and 434 wounded. The attack harmed families gathered for a festive event, the national holiday fireworks, and affected both adults and children of all ages. The people directly involved in the attack number in the thousands: wounded, threatened with death, bereaved, direct witnesses, workers - including firefighters and health personnel (in situations of prolonged extreme tension or insecurity). Following the attacks in Ile-de-France in January and November 2015, Public Health France conducted in 2015 and 2016 two large-scale studies to estimate the psycho-traumatic impact for those involved in the attack, to know the use of care devices to provide useful information, and ultimately provide information to improve the management devices in place. IMPACTS carried out following the attacks of January, ESPA 13 November carried out following the attacks of 13 November 2015, relate to two main types of population: * Non-responders (civilian population) present on or near scenes of crime or their relatives. * Persons intervened to secure the premises or provide assistance, or provide psychological support the same day or within 3 weeks. IMPACTS was conducted face-to-face with investigators and concerned 232 participants, 45 people of the medico-psychological relief (Samu, Cump, Hôtel Dieu) between 6 and 10 months after the events. A second wave of interviews took place from 16 to 20 months after the events. ESPA 13th November took place via a web-based questionnaire and 800 participants took part, including 67 CUMPs, 121 hospital staff and 26 people from Samu between 9 and 12 months after the events. Based on the expertise of Public Health France and the model developed for the ESPA study on November 13th, the Public Health Department of the Uni