determinants of health, health risk and protective factors (e.g. socio-economic determinants, behavioural factors); disease, disability, and injury areas (e.g. vaccine preventable diseases) that determine intervention targets; and the public health 'toolkit'-methods, tools, and bodies of knowledge, both those specific to public health (e.g. epidemiology, health promotion techniques) and those used by but not specific to public health (e.g. management methods, policy development frameworks).