"Yes. I normally do have it. But I insisted on having it early, even though the GP was only giving it to people who were in vulnerable groups, because of the fact that I was travelling ..." (G1) There were others who, having identified themselves as being in an "at risk" group, still chose not to be vaccinated. For these and others it appeared to be a balancing act between their perceived risk of influenza against the perceived risks associated with the vaccine itself. The "costs", psychological and health "benefits", and expected outcome are all important issues that influence people when making a decision about whether to act on advice about a pandemic [2] .