
The flu shot is an effective way to protect yourself and others from the flu, a highly contagious infection of the airways. In Australia, the flu is the most common illness that can be prevented with a vaccine. While the flu shot is generally safe, some people report feeling unwell after receiving it. This is typically a normal immune response, with symptoms such as mild fatigue, low-grade fever, or muscle aches that resolve within 1-2 days. However, in rare cases, more severe allergic reactions can occur. Understanding the potential side effects of the flu shot is crucial for making an informed decision about vaccination.
| Characteristics | Values |
|---|---|
| Who should get the flu shot? | The Australian Government advises everyone over the age of 6 months to have a flu shot every year. |
| When should you get the flu shot? | Flu shots are usually introduced to the Australian public around March/April so by peak flu season in the winter months (June-September), immunity against the flu is at its highest. |
| How often should you get the flu shot? | The flu shot is recommended yearly as the flu virus changes every year. |
| How effective is the flu shot? | The flu shot reduces your chance of getting influenza and reduces the risk of serious illness if you do get it. In 2023, the flu vaccines were highly effective, reducing the risk of hospitalization from influenza by 68% and the need to visit a general practitioner by 64%. |
| Is the flu shot safe? | Yes, the flu shot is safe. However, some people may experience mild side effects such as fatigue, low-grade fever, or muscle aches for 1-2 days. In rare cases, an allergic reaction may occur. |
| Can the flu shot make you sick? | No, the flu shot cannot make you sick as the vaccines used in Australia contain inactivated virus particles. Mild symptoms after the flu shot are a normal immune response and not a sign of illness. |
| Where can you get the flu shot? | You can get a flu vaccine from your GP, local council immunisation service, or local pharmacist immuniser. Some workplaces also provide flu vaccination programs to employees. |
| How much does the flu shot cost? | The flu shot is free for eligible priority groups, including First Nations people, pregnant women, and people with specified medical conditions. You can pay for the flu shot if you are not eligible for free vaccination. |
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What You'll Learn
- Flu vaccines in Australia contain inactivated virus particles, so they cannot cause influenza
- Mild flu-like symptoms after the flu shot are normal and reflect your immune system's activation
- Flu shots are recommended for everyone over the age of 6 months, especially vulnerable groups
- Vaccination helps protect yourself, your family, colleagues, and the wider community
- Flu shots are usually introduced in Australia around March or April, before flu season

Flu vaccines in Australia contain inactivated virus particles, so they cannot cause influenza
In Australia, the flu is the most common illness that can be prevented with a vaccine. The Australian Government advises everyone over the age of 6 months to get a flu shot every year. The flu vaccines available in Australia are either split virion or subunit vaccines. These vaccines are all inactivated, meaning they contain inactivated virus particles and cannot cause influenza.
The flu vaccines available in Australia are not mRNA vaccines. They are grown in chicken's eggs, but the amount of egg protein in the vaccine is tiny. The Australasian Society of Clinical Immunology and Allergy (ASCIA) says that both adults and children with egg allergies can be safely vaccinated against the flu. The risk of anaphylaxis (severe allergic reaction) after vaccination is very low.
The flu vaccines available in Australia are quadrivalent, meaning they contain four inactivated influenza virus strains – two influenza A and two influenza B strains. All influenza vaccines available for seasonal use in Australia are listed in the Australian Immunisation Handbook under Vaccines, dosage, and administration. The Therapeutic Goods Administration website provides product information and consumer medicine information.
While the flu vaccines in Australia cannot cause influenza, some people may experience mild flu-like symptoms after receiving the vaccine. These symptoms are a normal immune response and typically resolve within 24–48 hours. They include mild fatigue, low-grade fever, or muscle aches. It is important to note that these symptoms do not indicate an infection but rather reflect the body's preparation to defend against future flu infections.
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Mild flu-like symptoms after the flu shot are normal and reflect your immune system's activation
Experiencing mild flu-like symptoms after getting a flu shot is a normal immune response. It is a sign that your immune system is activating and preparing to defend against future flu infections. Your body is producing antibodies, which may cause mild fatigue, low-grade fever, or muscle aches for 1–2 days. These symptoms typically resolve within 24 to 48 hours.
It is important to note that the flu vaccines used in Australia contain inactivated virus particles and cannot cause influenza. The inactivated viruses allow your body to produce an immune response without getting sick. While the flu shot itself cannot give you the flu, it is still possible to get the flu after being vaccinated, as the vaccine covers the most common strains but not all. It takes about two weeks for immunity to develop, so if you are exposed to the flu virus shortly before or after your vaccination, you may still get sick before the vaccine becomes effective.
The flu vaccine is an essential tool to protect yourself and your community from the flu. It is recommended for everyone aged 6 months and older, with some people eligible for free vaccination under the National Immunisation Program. In Australia, flu season usually occurs from June to September, so it is advised to get vaccinated around April or May when protection from the flu is highest.
While mild flu-like symptoms after the flu shot are normal, some rare side effects may occur, such as Guillain-Barré Syndrome (GBS) and oculo-respiratory syndrome (ORS). GBS is a very rare condition where the immune system attacks the nerves, reported in about 1–2 cases per million flu vaccines. ORS is a rare and mild condition causing red eyes, cough, and facial swelling, which usually resolves on its own. If you experience any concerning symptoms or persistent side effects, it is recommended to contact your healthcare provider.
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Flu shots are recommended for everyone over the age of 6 months, especially vulnerable groups
The flu shot is recommended for everyone over the age of 6 months in Australia, with a particular emphasis on vulnerable groups. This includes people with medical conditions that increase their risk of severe illness from the flu, such as babies, young children, pregnant women, and individuals with underlying health issues. The Australian Government advises getting vaccinated annually to protect oneself and others, as the flu is a highly contagious respiratory illness that can lead to serious health complications, hospitalisation, and even death in rare cases.
It is important to note that the flu shot itself does not cause the flu. The vaccines used in Australia contain inactivated virus particles and do not contain a live flu virus, so they cannot give you the flu. However, some people may experience mild flu-like symptoms after receiving the flu shot. These symptoms are a normal immune response and typically last for 1 to 2 days. They include mild fatigue, low-grade fever, or muscle aches.
The flu vaccine is updated annually to protect against the most common flu strains circulating in the community. It is recommended to get the flu shot every year, ideally around April or May, as this is when protection from the flu is highest for the upcoming flu season, which typically peaks between June and September in Australia.
While most people only need one injection per year, certain individuals may require two shots, administered 4 weeks apart. This includes children aged 6 months to 9 years old receiving the flu shot for the first time and people who are getting the flu shot for the first time after a long gap.
It is worth noting that even if you get the flu shot, there is still a small chance of contracting the flu, as the vaccine covers the most common strains but not all. It takes about two weeks for immunity to develop, so there is a possibility of getting infected shortly before or after vaccination. However, the flu shot significantly lowers your chances of getting the flu and reduces the severity of the illness if you do get infected.
In conclusion, flu shots are recommended for everyone over the age of 6 months in Australia, with a particular focus on vulnerable groups. The vaccination helps protect individuals and the community by reducing the risk of contracting and spreading the flu, as well as decreasing the likelihood of severe illness and hospitalisation due to influenza.
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Vaccination helps protect yourself, your family, colleagues, and the wider community
Vaccination is a safe and effective way to protect yourself, your family, colleagues, and the wider community from serious illness caused by influenza. The flu is a highly contagious infection of the airways that can affect people of all ages, but it is particularly dangerous for babies, young children, pregnant women, and those with underlying medical conditions. In Australia, it is the most common illness that can be prevented with a vaccine.
The flu vaccine helps to protect yourself and those around you by reducing the likelihood of getting the flu and making it less severe if you do contract it. It is important to note that the flu vaccine does not cause the flu, as it contains inactivated virus particles. However, some people may experience mild flu-like symptoms after receiving the shot, such as fatigue, low-grade fever, or muscle aches. These symptoms typically resolve within 24-48 hours and are a normal immune response as your body produces antibodies to fight the flu virus.
By getting vaccinated, you lower the chance of passing the virus to your family, colleagues, and community members. This is especially important for vulnerable individuals who may be at higher risk of severe illness or hospitalization due to the flu. The flu vaccine also helps to reduce the burden on the healthcare system, as it prevents flu-related medical visits and hospitalizations.
The flu vaccine is updated each year to protect against the most common and current flu strains, as the strains of the flu virus can change over time. It is recommended that individuals aged 6 months and older receive the flu vaccine annually, especially those at higher risk of severe illness. In Australia, the flu season typically peaks between June and September, so it is advisable to get vaccinated around April or May when protection from the flu is highest.
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Flu shots are usually introduced in Australia around March or April, before flu season
In Australia, flu shots are typically introduced around March or April, before the flu season, which usually peaks between June and September. Getting vaccinated is a safe and effective way to protect yourself and your family from serious illness caused by the flu. While the highest level of protection occurs in the first 3 to 4 months after vaccination, it is never too late to get the flu shot, especially if you plan to travel to other parts of Australia or overseas.
The flu vaccine is updated annually to provide protection against the latest flu strains, and it is recommended that most people receive a flu shot every year. However, some individuals, such as children aged 6 months to 9 years old who are getting the flu shot for the first time, may require two shots spaced four weeks apart.
The Australian government advises everyone over the age of 6 months to receive a flu shot annually. Vaccination is particularly crucial for vulnerable individuals, including babies, young children, pregnant women, and people with underlying medical conditions, as the flu can be life-threatening for them.
By getting vaccinated, you not only protect yourself but also contribute to safeguarding those around you. This is because vaccination helps prevent the spread of the flu, reducing the overall impact of the illness on the community. Therefore, it is essential to stay vigilant and get your flu shot annually to protect yourself and others from this potentially severe disease.
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Frequently asked questions
No, the flu shot cannot give you the flu. The flu vaccines used in Australia contain inactivated virus particles and cannot cause influenza. Only live viruses can make people sick.
Flu-like symptoms are a normal immune response. They are typically mild and short-lived. Your body is producing antibodies, which may cause mild fatigue, low-grade fever, or muscle aches for 1-2 days.
Most symptoms resolve within 24-48 hours. If they persist or worsen, seek medical advice.
Guillain-Barré Syndrome (GBS) is a very rare condition where the immune system attacks the nerves. Oculo-respiratory syndrome (ORS) is another rare condition that causes red eyes, cough, and facial swelling.











































