Only 40% of all respondents-45.1% professional staff and 26.1% technical/support staff -felt it was likely they would be asked by their health department to respond to a pandemic influenza related emergency. Perception of Table 2) . Perception of one's existing knowledge about pandemic influenza, and perception of having an important role in the agency's overall response were significantly higher among professional staff compared to technical/support staff (Figure 1 ), In multivariate analysis, increased self-described likelihood of reporting to work during an influenza pandemic emergency was significantly associated with agreement with several constructs, most notably perception of the capacity to communicate risk effectively, perception of the importance of one's role in the agency's overall response, and familiarity with one's role-specific response requirements in a pandemic influenza related emergency. ( Table  2 ).