As the rains increase in different parts of the country at certain times of the year, we often hear about "flu". Although many people think that this is a simple cold, sometimes this can be a fever caused by a dangerous virus called influenza. So, the best way to protect yourself from this flu and stop it from spreading in society is to get the flu vaccine, or as we call it, the Flu Vaccine. Let's talk about this in detail today.
What is this flu vaccine?
Simply put, the Flu Vaccine is a vaccine that protects us from the influenza virus. It is usually given as a shot in the arm. In some countries, it is also available as a nasal spray.
Every year, health experts conduct research and identify the 3 or 4 strains of influenza viruses that are most likely to spread in the coming year. Then, the vaccine for that year is developed to target those strains. That's why it's said to get a new vaccine every year.
Who should get this vaccine and who should not?
It is generally important for anyone over 6 months of age to get this vaccine every year. However, some people are at higher risk of complications if they get the flu. Therefore, people in the following categories should definitely consider getting this vaccine every year.
| Category | Description |
|---|---|
| Especially those who should get vaccinated | |
| Young children | Children aged 6 months to 5 years are especially at risk. |
| Pregnant mothers | Fever complications can occur due to low immunity during pregnancy. |
| Adults | People over 65 are at higher risk. |
| People with other chronic diseases | People with conditions such as diabetes, heart disease, asthma, and kidney disease. |
| People in nursing homes | Diseases can spread easily in such places. |
| Who should not get the vaccine? | |
| Babies under 6 months old | Their immune system is not yet ready for this. |
| People with severe allergies | If you have had a severe allergy to the previous flu vaccine or any of its ingredients. |
| When to talk to your doctor before vaccination | |
| Egg allergy | Some vaccines are made with eggs, so tell your doctor if you have an egg allergy (egg-free vaccines are now available). |
| Guillain-Barré syndrome | If you have previously had a neurological condition called Guillain-Barré Syndrome. |
| If you are sick | If you have a fever or other illness on the day of the vaccination, ask your doctor about getting the vaccine after you recover. |
What is the best time to get vaccinated?
It is best to get vaccinated before the flu season starts . In Sri Lanka, the flu season usually starts with the onset of the monsoon season. Therefore, it is best to get vaccinated before that time. You can ask your family doctor about the dates when the vaccine is available in your area. But don't worry about missing that time. Getting vaccinated later is much better than not getting vaccinated at all.
Is this vaccine really effective?
Yes. The vaccine is the most effective way to prevent influenza. But remember, it takes about two weeks for your body to develop immunity after being vaccinated and provide full protection.
There is a small chance that you will get a cold even after getting the vaccine. This depends on your age, health, and how well the virus circulating that year matches the vaccine. But the most important thing is that if you do get a cold even after getting the vaccine, it will not be severe. It will usually be mild and you will recover quickly.
Can the vaccine cause fever? What are the side effects?
This is a question that many people ask. To be clear, the flu shot will never make you sick. This is because the shot contains killed or inactivated parts of the virus. However, as your body responds to the shot, you may experience mild symptoms that resemble a fever or a cold. These usually go away in a day or two.
Common minor side effects:
- Soreness, redness, or swelling at the injection site
- Body pain
- Nausea
- A slight fever, like a cold.
These are common conditions. However, very rarely, a severe allergic reaction can occur. If any of the following symptoms occur shortly after receiving the vaccine, go to the nearest hospital emergency department (ETU) immediately.
| Emergency! If you have these symptoms, go to the ETU immediately! | |
|---|---|
| - High fever | - Difficulty breathing |
| - Hoarseness of voice | - Hives |
| - Weakness | - Swelling around the lips or eyes |
| - Paleness | - Behavioral changes |
| - Dizziness | - Rapid heartbeat |
In conclusion, the flu vaccine is a very important step in protecting yourself and your loved ones from influenza. If you have any further questions about it, don't hesitate to talk to your family doctor.
Take-Home Message
- Influenza (Flu) is not a simple cold. It is a viral disease that can cause complications.
- The flu vaccine is the best way to protect yourself from this disease. It is important to get vaccinated every year.
- The vaccine does not cause fever. The minor side effects that occur will go away in a day or two.
- If you get the vaccine but develop a fever, the severity of the disease is greatly reduced.
- Consult your doctor about whether the vaccine is right for you or your family and when to get it.
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