https://www.santepubliquefrance.fr/maladies-et-traumatismes/infections-associees-aux-soins-et-resistance-aux-antibiotiques/infections-associees-aux-soins/documents/rapport-synthese/enquete-nationale-de-prevalence-2022-des-infections-nosocomiales-et-des-traitements-anti-infectieux-en-etablissements-de-sante-guide-de-l-enqueteur 2022 France health surveys cross infection health facilities detective anti-infective agents Nosocomial infection interviews as topic Infections Handbook nosocomial infectious disease, nos interviewers prevalence