Prevention of hospital acquired influenza

Facilities should use a hierarchy of controls approach to prevent influenza transmission within healthcare settings. The hierarchy of controls to protect workers from occupational injury or illness places preventive interventions in groups that are ranked according to their likely effectiveness in reducing or removing the source of exposure. To apply the hierarchy of controls to prevent influenza transmission, facilities should follow the following steps, as shown in table (10) (Narain et al., 2009).