temps (durée) (1) hôpital (1) épidémiologie (1) méthode (1) adulte (1) bâtiment (1) Epidemiology (1) Diagnosis (1) Conformation (1) Cases (1) HIV infections (1) Time (1) Pneumonia (1) Patients (1) Months (1) Manufacturers' agents (1) Human beings (1) Pneumocystis carinii pneumonia (1) Evidence (1) Epidemiology (1) Diagnosis (1) Cross infection (1) Commission merchants (1) Cluster analysis (1) Building (1) Older people (1) Cases (1) Organisms (1) Transmission (1) Patients (1)