The Immunisation Action Week (IAW) is a national awareness program focused on highlighting the importance of vaccination, especially in a pandemic world. All information provided is based on current scientific evidence. The week occurs in April of each year to coincide with World Immunisation Week, with a variety of activities for the general public, as well as healthcare professionals. This annual event reaches a pinnacle with a national, free Influenza Vaccination Day. This year, it will be held in Melbourne and Sydney on 28th April and Canberra on 30 April.