Seasonal Influenza Vaccination
What seasonal influenza means
Seasonal influenza is a contagious viral illness that circulates each year and can disrupt daily life, work, school, and family routines. While many people recover without complications, influenza can cause significant illness in some groups. Importantly, your personal risk is not fixed — it changes year to year depending on circulating strains and what is happening in the community.
How annual vaccine recommendations are developed
Influenza viruses change frequently. To keep pace, global surveillance systems monitor which strains are circulating across regions. Expert panels then review this information to estimate which strains are most likely to appear in the upcoming season. In Australia, national advisory bodies assess expected protection, safety data, outbreak patterns, and potential impact on the health system. The goal is to provide the best available match for the season ahead, while recognising that predictions are never perfect.
What vaccination aims to achieve
Influenza vaccination aims to reduce your chance of catching the flu and to lessen illness severity if infection occurs. Protection varies between individuals and seasons because immune responses differ and viruses continue to evolve. Even when vaccination does not fully prevent infection, it commonly supports a milder illness and fewer complications, which benefits individuals and reduces disruption across households, workplaces, and schools.
Who may benefit most
Some people face a higher risk of severe influenza or complications. This includes older adults, pregnant people, young children, and those living with chronic conditions affecting the heart, lungs, immune system, or metabolism. For these groups, prevention carries particular value because the consequences of influenza often extend beyond a short period of discomfort. Your GP helps clarify where you fit, especially if you manage multiple health conditions.
Community protection and shared responsibility
Vaccination also has a broader role in settings where close contact is unavoidable. People working in healthcare, aged care, disability services, education, and childcare often choose vaccination to reduce spread in high-contact environments. Fewer infections generally mean fewer disruptions and fewer opportunities for influenza to reach people who are more vulnerable.
Making a decision that fits you
There is no single “right” answer for everyone. Decisions about vaccination are best made by considering your health history, pregnancy status, household contacts, workplace exposure, and personal preferences. A conversation with your GP helps translate population-level recommendations into practical advice that suits your life and priorities.
Seasonal influenza vaccination is about managing risk thoughtfully — not eliminating uncertainty entirely.
This article provides general health information only and does not replace medical advice. Please speak with your GP for personalised care.